Alright, please go ahead and define under what legal pretext this guy's behavior might be illegal.
There are other cases where interacting the blockchain is illegal in a very clear manner. Example: if I know an Iranian or North Korean entity has the keys to an Ethereum wallet, and if I send USDT to that wallet as a Western citizen, that is very illegal due to sanctions.
There are other cases where interacting the blockchain is illegal in a very clear manner. Example: if I know an Iranian or North Korean entity has the keys to an Ethereum wallet, and if I send USDT to that wallet as a Western citizen, that is very illegal due to sanctions.