Buffet is good at doing his research for stocks and has made huge gains at stocks but he is not very good at doing his research for cryptocurrencies, where he absolutely lacks of knowledge. He even wanted to date Justin Sun, CEO of a fraudulent coin called "TRON".
Buffet should stay at his stocks or doing technically detailed research about cryptocurrencies before making conclusions, like he often does. As a Boomer, his focus is clearly outdated like so many conservative Boomers. Cryptocurrency will be a step forwards and everyone who will buy it right now (only good coins) will make good money.