Share 'offensive material'

i'm not sure if this has ever been mentioned on here before, but i just thought of it because i was thinking about distros and all their guidelines. i'm not sure what to think about saying "no racist, sexist, homophobic, etc etc material will be accepted". i mean aren't zines supposed to be the one place where you can say what you want? is this just some other form of censorship? surely everythin…