Some of the points you give are correct but if someone who is not that technical would have a difficult time understanding this. If you want a simpler explanation on what bitcoin is then you can read or google about the original whitepaper published by satoshi nakamoto. And I suggest you can watch the short documentary in netflix called "banking on bitcoin". There you can understand more what bitcoin is.

I believe that bitcoin was created to revoke the power from the world's government and central banks by creating an alternative currency to what already exists. The current fiat currency is all under control of government and hence they can control the world for their own benefits. Bitcoin is like something which isn't under control of anything and works on predefined set of rules.

Nice compilation of points. Bitcoin is bringing power back to the people that's why I will always support it.

Bitcoin is like something that can not be controlled by anything and works on a set of predefined rules.

Actually Bitcoin creates major changes in online transactions and payment systems around the world, which change the ecosystem.
Bitcoin is a digital currency used by people around the world to earn extra income, it helps and gives opportunity to the poor.

You have a good ideas about what is the purpose of the people who create bitcoin and other cryptos. It is like Technology or let us say that it is part of the technology, technology is being created for us to have a easier and much safer life.

Bank bail out after bank bail out. There's also clearly demand to have an alternative to central bank issued currency. Also there's been people trying to create a purely digital currency for decades. They all got squashed by the government, so Bitcoin is decentralized like BitTorrent vs early attempts that were all centralized like napster.
The more radical and experimental central bank policy gets (QE, negative rates, currency devaluations) the more alternatives like Bitcoin and gold look attractive.

Bitcoin created decentralized trust. Understanding the implications of this are critical in understanding bitcoin.
As OP described wonderfully above, our current system relies on a bank to act as a trusted third-party when two parties are transacting. For example, when I swipe a debit card at a store, the bank tells the store that I have enough funds to pay for my items. The store trusts the bank response, thus trusting me to walk out of the store with merchandise and that they will be paid.

Bitcoin shows that trust doesn't need a centralized third-party (i.e. banks) to establish trust. You can have a decentralized network of trust instead. People can easliy, safely, and securely transact on this network of decentralized trust. This is ground breaking. It completely disrupts a major value proposition for banks.
My idea will help the beginner understand to bitcoin.

I think OP forgot to mention one of the most important reasons and it is to decentralise money.
One of the possible reasons what motivated the creator or creators of BTC was the big financial crysis in the world which included real estate bublle and more. This could very well be the resons of creating BTc- to give people back the power over banks and financial institutions.

bitcoin needed to show to all world that people could have something own without any governments and laws which will tell us what to do and where to go.

I don't know the exact why Satoshi created this kind of thing we called Bitcoin or cryptocurrency. Even satoshi hide its identity he/she such worthy of such a big praise and compliments. But in my opinion, may be bitcoin was created out of pity for people who are experiencing poverty, hunger or something that people could possibly experience when they runs out of money. And also, maybe for some convenience, and improvements for the world to be lifted up.

Yes, I totally agree.. Its probably because we trade silver and gold from the past and its much more easier to transport paper money and now the world is changing, thats why they invented a digital currency where we can transact and trade it through fiat money or products. we are now living in a modern age where internet and computers provides us easy access to almost everything. It also provides convenience and this is done digitally without the involvement of a third party.