The question is whether there are economic reasons why Bitcoin won't work... I would like to distinguish and say "won't work for what purpose" as it's a bit more complicated.;

Bitcoin is working as an investment vehicle. There is excitement that Bitcoin is uptrending; -- getting worth more and more -----and that this seems to be a long term trend. So clearly, Bitcoin is working as an investment vehicle, as an asset that is appreciating. As long as that excitement attracts more people who are excited by the prospect of a speculator's dream, an asset that is bound to increase in value, it works. ....