> Because of this, the operators had a duty to modify the service they offer to make it harder to use for illegal money laundering, or to shut the service down

> Because of this, the operators had a duty to modify the service they offer to make it harder to use for illegal money laundering, or to shut the service down entirely. You don't seem to understand how smart contracts work. You upload the code and it lives on forever. Unless you code a way to shut it down or modify it there is no way to do so. Tornado cash the app on Ethereum is still alive and well today and will probably be alive and well in 2100.