"cryptocurrency will end very badly" Maybe the oracle was right all along. Guess a guy worth 88 billion knows what he is talking about.
The best of men can go wrong, remember He didn't invest in Google because He thought Google will not succeed.
History is littered with men of great wisdom and insight going wrong
History is littered with the best of men going wrong and with the least of men being right
I will say you should not run with another man's conviction(s) and opinions(s)