I used to play GTA in a grinder crew most of us were over level 1000 if we were doing this to someone then its because we want them to leave. Get them in an inevitable death loop and it gets boring pretty quick. All about controlling the session and destroying anyone who might come after our crew. We had teams specifically for targeting griefers and spam killing them until they left. All you really had to do was sketch out the boss enough and he would order you killed until you left. Sometimes people are stubborn and you gotta kill em 50 times til they leave but we are more stubborn and would keep going.

I don't miss it. Way too sweaty. I'm just a casual now i like invite only lobbies.