That this is even remotely surprising to anybody is the only surprising thing about it. He took bribes via his hotel last time. He takes massive donations from Bezos and Zuck and others to his inauguration fund or presidential library or whatever other slush funds he can use to skirt anti-bribery regulations.
Let's not forget the MBS overriding the advice of the Saudi investment board to give $2 billion dollars to Trump's son in law, Jared Kushner. Funds with hefty fees that have barely been invested.
The fact that Bitcoin (and kin) turbocharges corruption, and its success is a direct result of doing so on a wide scale (the whole point is to undermine state power by dwpriving it of control over currency) is proof to the armchair economist Bitcoin supporters that it is "sound money" and things like facilitating a market for circulation of child porn at one end and open political grift at the other, are welcomed as signs that the *experiment" is working as intended in their winner-corrupts-all bitcoin maximalist worldview.
Its called kleptocurrency for good reason.
Those who support it on philosophical grounds will destruction on everyone else for the sake of their own gain, and should be viewed with all possible hostility as they constitute an intentional community of public enemies in the plainest possible sense.
Neither will bans and prohibitions, unless you are willing to go full north korea with cameras everywhere and computers locked down. And you'll probably fail with that.
Of course you can. 20 years in prision for using Bitcoin. Not a lot of people would wanna risk that. And when 99,99% chooses to not touch it with a pole the value will collapse. Then a few people can sit there with Bitcoins that no one wants to buy from them.
Is it a good idea? Mayne not. But obviously one can crush Bitcoin if one wants.