It's nothing different with gold, gold is scarce and it was decentralized before not many people hold it. Now most of golds are hold by whales and institutions, they can easily manipulate the price. It also increase the possibility of scam because someone will try to create replication and since Bitcoin is a physical currency, there's no privacy anymore.

It's a failed project IMO, but since Bitcoin is a digital currency, the project become successful.

Who would control bitcoin if bitcoin was a physical currency? If it is controlled by one country, they will think that they are superior to other countries.
There is no difference between bitcoin and other local currencies and the price will not be like now.
Fortunately, bitcoin is a digital asset so many people can buy it in different amounts.
And fortunately, no one can control bitcoin so bitcoin can stand alone.

I think Bitcoin grew to the current extent just because of the excellence of its technology. I am not sure if it would have been physical then it would have been just something old by now. Bitcoin is special because it is digital, maintains its data integrity, and is irreversible. Do we have such properties in the physical coin? They tend to wear and tear over a period of time, they can mint duplicates of it, and they can also get lost in the process of transacting. If physical appearance had something then in day today's activity we would have seen gold as a precious coin but it lost its transacting value "on a daily basis" since it's getting costlier to carry and transact small amounts. It would also become highly life-threatening if someone just sees and senses you are carrying a kilo bar in your car.

Bitcoin is digital, you don't have to carry the burden of it, and with an internet connection, it can be transacted anywhere in the world. It secure and anonymous that is not achievable with the physical presence of any sort of currency.

I think if bitcoin was created and had a physical form it is likely that bitcoin would not be as popular as it is now. Because of course its use will be slightly different from Bitcoin which is digital. Apart from that, spreading it will definitely be more difficult, because if Bitcoin has a physical form, it is certain that if someone wants to own it (buy it), they will definitely have to look for a shop or market that sells Bitcoin. But the problem is that bitcoin means have to have branch stores all over the world to make it easier for everyone to buy bitcoin. Meanwhile, if it means that in each shop, it means someone has to look after it, and also the shop building means someone has to build it. In this way, it is possible that Satoshi cannot be completely anonymous, because after all he is the one who will definitely manage everything, including the shop and also the workers in the shop.

Apart from this, if bitcoin had a physical form, I am sure it would be easier to manipulate or bitcoin would be vulnerable to being turned into a realm of fraud. Because there could be a handful of people who create fake bitcoins and sell them at the same price as bitcoins. Then what is even worse, bitcoin will definitely become centralized and not decentralized. Because that way, it is certain that every bitcoin coin that is printed must have a center and even though the number is limited like now, bitcoin is still seen as having a center.

So in essence, if bitcoin is made in physical form, there will be values lost from bitcoin. Like the decentralized system will disappear. The blockchain system will also disappear. And anonymity will also be lost.

Gold is decentralized, a first time I see someone raises this point up for discussion. Everything can be manipulated and it is a long history of human civilization. They can manipulate goods like rice, sugar, etc. and I don't see manipulations only limited to Bitcoin, gold or oil.

With digitalized for trading gold, manipulations are more quickly executed, done and shown its impacts on market price. It is very common, not like something only special to only Bitcoin, gold or oil. We can see it in stocks, real estates and many others.

Technology is important for Bitcoin success because with blockchain, Bitcoin has many advantages. Public, transparent, traceable, portable with any small item like paper piece, USB, small disk, on mobile devices, laptop. The convenience is unique and is so attractive for people who want to explore something new, unique but most attractive thing from Bitcoin is its security, privacy and anonymity for Bitcoin users.

Gold can not, fiat currency can not, cash can not, CBDCs can not.

One thing is very common that when new people come to any forum, they have such weired questions in their minds.We have never thought till now what would happen if Bitcoin was a physical currency or what would happen if the dollar was a digital currency.That such a question does not increase their knowledge and experience.I think this question will not provide any useful information for you.If Bitcoin was a physical currency, it would also be one of the countless physical currencies in the world.

There are numerous physical currencies in the world, and one does not face any difficulties in taking these physical currencies. Whenever one wants to take a currency, he easily buys it from the desired place. The simple answer is, if Bitcoin were a physical currency, what would be the difficulties in buying it? If you want to buy any physical currency today, like dollars or pounds or any local currency, what difficulties do you face?

Why can women solve financial problems? I'm a bit curious. 
To say that the mission of bitcoin was created to solve financial problems for the country and the world is not entirely true. That is not bitcoin's mission and bitcoin is not capable of doing it. But if an individual or an organization uses bitcoin to improve their finances, it is completely possible and many people have done it. So it can also be said that bitcoin can solve some financial problems for some people or organizations if they know how to use it properly.

I think you are not just new to bitcointalk but also new to bitcoin itself, because someone who has known bitcoin for a long time will never bring up such an idea because the main function of bitcoin cannot be done if it were a physical currency. In short, thinking or imagining bitcoin as a physical currency is not a good idea at all because, knowing or hearing about bitcoin, the first thing that you learn is that bitcoin is a global currency that has been created to perform peer-to-peer transactions, investments, and also the purchase of things online within a short period of time. So you will never think of bitcoin as a physical currency because it will be very hard and it will be just the same as fiat currency, and nothing will be like blockchain; it will just be like the traditional financial banks. So even if you want to create a forum for arguments, you should know what you are saying, not just bring up any topic.

If Bitcoin was a physical coin it would never be so valuable.  Because no substance as heavy as a coin can be so valuable. Bitcoin is a digital currency and it has a supply limitation which is why it is invisible but its price is huge and everyone thinks it is a big deal. You can create physical bitcoins that will only work as a collective.  Bitcoin is a virtual currency and will remain so for life but its value will only increase day by day. The reason is that even though there is a limit to its supply, the number of investors is increasing day by day

If Bitcoin was a physical currency it would not be worth as much nor would it be in demand.Physical currency but available to everyone If Bitcoin was a physical currency it would still be available to everyone.Now you guess what the physical currency you have is worth to you.If Bitcoin were a physical currency like that, it would be worth that much to you.We all know that Bitcoin is a digital currency that has no fixed market value.Even this currency can only be traded online which has no physical counterpart.Currently Bitcoin is in demand all over the world and its usage is increasing day by day.