It's not even about being thick skinned: it might not bother me at a personal level, but I'm not letting a team malfunction as baseline where some members make

It's not even about being thick skinned: it might not bother me at a personal level, but I'm not letting a team malfunction as baseline where some members make a habit of abusing other members and will absolutely make an issue of it until management does something. Mostly because it's illegal for an employer to operate a business that way.