"The primary requirement for anything to function as money is that of being accepted by people. Bitcoin is designed to avoid relying on central authorities, which increases its function as a store of value. However, the acceptance of money (adoption) is ultimately determined by central authorities in any foreseeable socio-economic context, as has always been the case throughout history. All the desirable features of cryptocurrencies can be easily implemented by governments in their competition with Bitcoin to the extent that will preserve their monetary dominance. The belief in Bitcoin becoming a world currency in an increasingly interconnected world is therefore based on a mistaken worldview."
Only because in history no form of money had been invented that could easily avoid being confiscated and was 'endorsed/created' by the ruling elite.
That's the point of Bitcoin (one of them) the fact that
there is no central authority, the authority is with the people that own it (and miners), and there is little Johnny government can do about it at this stage.
Basically, if person A sells his bike for 1btc to person B, and B agrees his bike is worth 1btc and pays him, who's gonna stop him? And who can tell him he's wrong?
It's really quite simple. I find it strange how many people don't understand that a genius created Bitcoin, and that he essentially covered all the angles, economic and otherwise.