I didn't read the article, I'm not an economist, much less a market analyst, but even I know that the US dollar will always exist, so I respect the opinion of this guy who wrote this, but I disagree with him, the US dollar will always exist , bitcoin did not come to replace fiat, governments will not leave their fiat that contains the history and sovereignty of their country to use only bitcoin, this will not happen, bitcoin will be used together with fiat even if it is 50 or 100 years from now. so
bBitcoin or other cryptocurrencies will coexist with the legal currencies of various countries for a long time.