I went to a Catholic all-boys school in Bolton. At that time, the numbers of migrants from Pakistan in Bolton was rising rapidly. When I think back, my school was infested by racism, antisemitism, homophobia and misogyny and the staff, mainly priests and brothers, were either complicit in the prejudices or ignorant of them. No-one was ever castigated for referring to Pakis, niggers, yids, puffs, queers, tarts or slappers. Your achievements with girls were measured by the amount of bragging you could do about which parts of their anatomy you'd managed to lay your hands on, etc. Seven years of that would corrupt the most saintly of us. It takes a lot of mixing with good people and a lot of wrist-slapping and reflection to extirpate those prejudices. In fact, you have to fight it all your life, which doesn't mean you have to carry the PC dictionary around in your head but you do have to do a lot of antenna-tweaking. Some people never make it. One or two post here, unfortunately. They usually flag themselves by the sniping nature of their posts, their inability to develop an argument and their intent on winning at all costs, even if that involves ditching rational behaviour.