Murder, Discrimination, and Revenge are the only three that can cause harmful things. To be ignorant of what sex is much worst than sex itself. Slavery isn't a major issue in the 1st world, where most games are bought. Gore isn't bad, it's the method of how that gore was conjured (murder, amputation, etc.). If you can't handle that truth, good luck being a doctor.
I think Discrimination is the worst. People need to be able to work together without prejudice against a race, religious group, etc.
I don't discriminate. I hate everybody equally. lol
Haha! Then you are just an asshole!