They had a ban in place for years and it worked. They have a ban for non kyc cryto markets. It is easy to lean on payment processors and stop 90% of it.
Yeah, they had no problem banning online poker that way. Annoying these garbage sports betting sites are allowed now but you still can't play online poker outside of a few states.
Yeah you just say that customers lost their money illegally, make the companies give the lost money back and watch them implement know-your-customer real quick, all on their own.