They will spend a lot of time to make sure you are not a US citizen. At least the big Swiss banks. And frankly any bank that wants to do business with/in the US/EU, or wants to process bankcards.

If you want to launder money there are people for that, they will take your money, set uou5 up with legitimate businesses, put your money into other businesses and over some time those businesses will order a ton of shit from your ones, so you'll end up with a lot of clear after-tax income.

Or, just go to a sketchy OTC desk, drop a burlap sack with a $ on it on their desk. They'll get you some USDT, then you USDT:USD at Coinbase, cash out and you're golden. Need a paper trail? Just sell your buddy an NFT of a cat or something.

Eventually a tax authority will ask where your buddy got the money to buy that NFT. But if your buddy is some random guy from Russia things get easier :)