Are we heading to the creation of a decentralized economy (the one controlled by the people themselves) but still within and a part of the bigger centralized economy (the one controlled by the government)?
These people are delusional
We are not heading anywhere. Well, definitely not in the direction of full-fledged decentralized economies based on cryptocurrency. Bitcoin as well as other cryptocurrencies remains a purely speculative asset, so these ideas or visions are no more than castles in the sky. At best, Bitcoin will become a tool for hedging against fiat currencies (and government lawlessness, while we are at it), a device for storing value of sorts. But most likely, it will just go on as a vehicle for speculation (though personally, I'm quite fine with that)