Yes a lot of people are rich because of btc i think that is a good thing because btc shows that even if you are poor you can become rich because it is not fake it actually is for some people their daily income without it they would probably die.
Someone that lives in a developing country can make something out of it, but youre living in the big countries, it will be quite hard for you to make something out of it. Take for example, lets say Bitcoin provides faucets as the only ways to earn online, then you wont like it.