I mean... what else are they supposed to do? If you can't see them then does it even matter if they're doing something goofy/weird? Making it a system where both parties can't see each other would be fine by me but I just don't understand what else could even be done that would be satisfactory outside of straight up machine banning the person that's stalking you. It seems like a pretty fine solution to the problem, heck if you do accidentally get paired in a duty finder, which would be rare anyways, their name doesn't even show up and you could just leave if they start something on the rare chance it happens.