Exit nodes have to deal with much more severe things than copyright infringement. They regularly get raided by law enforcement for accusations of child porn and

Exit nodes have to deal with much more severe things than copyright infringement. They regularly get raided by law enforcement for accusations of child porn and hacking, and have to defend themselves by pointing out they didn't originate the traffic. There's a whole bunch of tips out there about how to not go to jail for running an exit node (which is legal).