Just think about it: billions in value in bitcoins just waiting to be stolen by anybody. Russia and China (and other nations) have huge digital warfare operations that could target those bitcoins, either officially or extracurricularly. No matter how cryptographically safe, systems can be penetrated through hardware or personnel. And no government guarantees! I wonder who will write them insurance knowing this?
Dunning-Krugerrands. Bitcoin looks like a good idea if you know literally nothing about the history of financial regulations. Why those regulations exist and what problems they solved.