price is make bitcoin most popular cryptocurrency and huge amount of supply + many (rich men , social media , tv) talk about it make it have high demand

Because it started everything as a new way to pay online. It provides such reliable system and security that its users can trust to. Bitcoin no doubt gain its popularity lately because of its rapidly increasing value but its values is not what makes it survives throughout the years.

Right, Bitcoin is the first cryptocurrency that was made and still exist today toping all the alternative coins in the market.  Continueing to surge its value, more market demands, and more big investors were attracted. Big companies in international businesses are already accepting Bitcoins as a payment. Even the Central Bank in my country already recognizing Bitcoin as a currency and I belong to a 3rd world country. All because of its unique decentralized features, it was created by the use of the revolutionary blockchain technology designed to ease the financial stability of every individual and improving a country's economy. Not half of the features I mentioned posessed by other cryptos, Infairness, they have their own unique innovative feature.

You see a lot of new coins are out there but none of them are even near the bitcoin power.Bitcoin was the first successful cryptocurrency on the market and many people already know about it.It has unique features.It has made people free from the banking sectors.Also,it has given financial freedom for the people.

Being on the top of list, bitcoin have managed it so well to establish the fantastic career throughout the time. When there was nothing, bitcoin was there and now many altcoins are just supporting crypto world. The basic coin is bitcoin and yes as you said, it is mother of all coins. All the altcoins are just derived from it or their idea has been imitated by it. So yes, it is really fantastic.

The cryptoworld world was birthed with bitcoin as the 'first born'. So ordinarily its more popular than other coins owing to its success...
It will remain so for a long time.

There are many reasons why the bitcoin became the most popular cryptocurrency! The first reason is the bitcoin is the first decentralized cryptocurrency! All of the people can have and can use bitcoins! Bitcoin has also many uses that's why it became popular.

because it if first P2P technology , strong coin  , limited support , global , low fee , supported by huge trusted members and have very high price

I think bitcoin is so popular because it is the first crypto currency on the world, from that more and more know about bitcoin and start buying it, so that makes bitcoin price rise more and more, until it become very popular now.

Bitcoin is said to be the most popular crypto because it is the first crypto that was being established or implemented other that crypto. It was the first known as a crypto and it take years to get higher value. Now, many investors are really interested to invest in bitcoin. Investors are also the reason why bitcoin is now the most popular crypto.