Just playing the game like I'm quietly leveling up

Lately, there's been some trouble in the guild. I don't know the details, but it seems like the guild leader had a conflict with some sort of operation/bot farm. Since then, they've been planting alt accounts in the guild. If a low-power member using AI picks up a rare item, they find the spot and PK them until the AI is interrupted. This has been going on for 3 days. I also picked up 3 rare items today and died 6 times. Maybe it's because I enjoyed playing as a Dark Elf in Lineage 2 back in the day, but it's so obvious what they're doing... Do they really have to do this in a mobile game too? If they want to play like this, I can definitely make them quit the game on all their accounts, but I don't know.