I can't remember getting hated on for hating any game in real life. I once got hated on for liking Star Trek, but it didn't really matter much and the conversation lasted about a minute, so that doesn't count. I get hated-on-but-not-really by my friends for liking Naruto. Other than that... nah, I can't think of anything. I mean, me and my friends occasionally joke about another friend of ours playing World of Warcraft and thus "having no life" (which is of course untrue), but that's died out now.
At school, the people are surprisingly tolerant. All they play is Call of Duty (except in a few notable cases - I know a few people who play and like Mass Effect, wahoo), but they don't talk about it all that much, and about the most I got from them once was one single "Call of Duty is a million times better than Halo" one-liner. You can't really call that hating.
Kadoodle said:
Red Dead Redemption. The twits at my school are the type of idiots that hate anything that isn't a call of duty shooter; they couldn't take the freeroaming aspect of it, it crushed their narrow little minds. I may sound a bit pretentious, but these guys have no appreciation for gaming as an art medium, and wouldn't know the difference between static death animation and ragdoll physics if you asked them, never mind graphics engines. They hated Borderlands simply because "It looked all weird and everything has an outline and stuff, it's SO glitched."
They though that Borderland's cartoonish art style was a glitch. It just infuriates me how ignorant they are. This is what happens to people who are exposed only to Call of Duty.
I think you're being a bit hard on them, to be honest. I can see how it would get extremely irritating, but you have to remember that these people aren't really "gamers" (in the dubious sense of the term that means "people who play truckloads of games and see the medium as an art form", or something thereabouts). They just play CoD with their friends, because it's something they can do casually to have a good time. The rest is the typical bravado, and irrational need to defend their position, that you'll typically encounter in people around my age group.
They also don't go on the internet, like you, meaning they probably haven't had any practice in intelligent discussion and debate. The reason I am able to justify my love of Halo is because of all the debates I've had on the web - otherwise I'd be another one of those people who defended it with "but dude, it's HALO!"