> - it’s way easier and cheaper to launder money through cryptocurrency casinos than art auctions

Sure art sales can be used to launder money, but that can't be the majority of sales. Doesn't laundering rely on being masked by a larger legitimate cash flow?

I think a much more significant portion of the art market is people speculating on prices and people collecting to look cool. Both of which are highly sensitive to changes in mood and sentiment as described in the section of the article talking about Beth Rudin DeWoody .