If you understand the evolution of money and tulip investing, it all makes sense.
know the main reason is they fear for their pile of money other shit dont move there balls its also very simple to understand,
they fear that paper money will lose value from the spike of crypto and adoption of it,
they dont understand tech its simple yet the huge hate will not come from this , its come from fear maybe one day all there money will not worth as it worth today.
They grew up in a world where money can be manipulated by governments and institutions, they fear a world where money cannot be manipulated anymore. This is the same reason they also oppose the Austrian School of economics, or a savings based economy based in a deflationary money like gold instead of a debts based economy where most of the money doesn't exist anywhere (fractional reserve banking).
That, or like some other millionaire late comer, is planning to introduce his own altcoin...
Either way his view is irrelevant. If it was simply fiat losing value, he could just buy crypto, and probably has already, despite speaking ills of it. Because they know they better diversify, and at some to his investments portfolio, just in case...