Re: Money transfer - it's not clear why money going to criminal organization is better than the government. Also, since most people actually have negligible savings, it's not clear that inflation actually "steals" money from the people.

Re: Energy use - A single Bitcoin transaction is around $8 today. If you assume an efficient market, where the cost to compute Bitcoin is roughly equivalent to the energy cost, that's a crazy 80kWh in US energy cost for a single transaction (and probably more, since Bitcoin mining is done where energy cost is lower). The claim that a fraction of that comes from renewable is silly, this renewable energy could go to other means.