Maybe we should then also hold all ethereum developers and nodes responsible for facilitating this.

While we're at it let's also arrest every shopowner that ever accepted any cash. They too have been doing money laundring on massive scales.

It's cool if you're a bank though. They are the guardians and trusted entities here. There's nobody actually checking them and if any money laundring meets the light of day nobody goes to jail and they get fined a small percentage of the money that was actually laundered.