Both Buffet and Munger clearly talk their own book.
Yes, they made money investing in undervalued and underappreciated companies. At least until the mid-90s, or thereabouts.
Over time, however, they changed their approach. Primarily because they had too much money to invest (which they could have returned to shareholders but did not; I wonder why?). They started making private deals. Deals that made them the ultimate "insiders". Their edge now being their size. No longer their ability to find underappreciated companies.
This of course means they have to play by the system's rules. And these clearly state "Bitcoin (and crypto in general!) bad! Fiat currencies issued by incompetent central bankers good."
Keep in mind that Buffet also warns against holding gold. Another staple of sound money. And similarly "unproductive".
The world still sees these guys as value investors though.
Their marketing is first class!

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