If warren buffet believes in crypto just like how Elon use crypto to multiply his assets , Warren should be the richest man on earth until today.
We don't know about this, Buffet isn't the same as Elon. So, there is no guarantee Buffet can be successful in crypto. Elon has done a brave decision to invest in crypto, buying Bitcoin for Tesla and he also used a good strategy. Elon even used his popularity to influence crypto market, it was a crazy thing. If Buffet invested in Bitcoin, I don't think he will be the same way as Elon did.
between buffet and elon is different, maybe buffet has a different view on cryptocurrencies, so he doesn't seem to focus on crypto like elon. maybe now Elon's wealth exceeds buffet, but something we can't fault is that they are successful in their own ways and with their own beliefs, until one day they are at the top together.
I doubt if Buffet misses the opportunity to make more money from crypto because, as an entrepreneur and one of the richest people, he will get advice from people around him about crypto and invest in crypto secretly. Maybe Elon can be one richest people in crypto but who knows, the title will change in the next year as with growing of the crypto, that will attract more richest people to invest in crypto. They do not want to be late to decide to invest in crypto, especially they already saw what happened to many people who already invest in crypto.