As a writer, I'm well-versed in hatred from certain types of storylines, stereotypical characterization, and plots that never take advantage of staying within the boundaries of proper storytelling, but allowing creativity as well. Too many of them follow the pattern, but don't try to take it to the next level.
Right now, I'll just focus on the one that nobody has mentioned yet: generic action/horror films.
For generic action movies that have no TRUE sense of plot structure and balance, the movie literally becomes "we'll cast someone who people think is a badass, we'll cast an evil looking bad guy, throw in some hot chicks, and explosions". When it comes to the storyline, there virtually isn't one. More often than not, you're forced to root for the protagonist merely out of spite from everyone else, as everyone else is shown to be either antagonists or completely inept and annoying. The only exception to this is the standard "comic relief best friend", typically overweight, who is used as a sacrificial lamb plot device to try to convince the audience that "its personal now, cause the bad guy killed the best friend, oooooooh!!" So the "hero" usually starts off in some everyman type of situation until *initial incident* happens, where the story simply becomes "the hero has to get out of the action-packed situation". Extra points if the protagonist is already a cop of some sort, so they don't need to elaborate on why this person isn't just saying "fuck everyone else". Rather than prove to the audience that he is heroic by actions, they just quit and say he's a cop already, so its implied he's been heroic his whole life. An hour and a half goes by and all you witness is a series of explosions with over the top death sequences, usually at least one instance where a car or motorcycle explodes, and a "knife is close to my face but the villain just can't seem to overpower me" moment. By the end, he kills the villain, is shown bandaged up and playing with his kids or his girlfriend or something, and you're supposed to believe that you sat through anything more than just a documentary on the life of a stuntman.
Generic horror films. Seven teens. Three of them are couples, one is an outsider. One girl is a brunette, one is a blonde, and one is black. The same goes for the guys. The outsider is the most likely to be the one wearing glasses and if she's a woman, have her hair in a ponytail. All of the guys are fit and all of the women are beautiful. Oh, yeah, and they can't be past the age of 21. At least one of the couples, most likely the blonde girl or the brunette girl and her boyfriend, are nymphomaniacs and make out at the drop of a hat. One of the women spends the entire exposition playing mother to the others, saying things like "guys, come on" and "I don't know, guys, that doesn't look too safe" (in which the response will inextricably be something like "Oh come on, Sandy, stop being such a prude/wuss" by one of the other girls). A killer emerges. Lately, the trend is to kill off the "third white guy" if he's in the group, leaving the main white guy, the main black guy, and the cynical antihero white guy with all the girls. The cynic will be the one that decides to take the initiative to hunt down the killer, and by proxy, will be murdered for his headstrong and foolish attitude. One of the girls will be pinned to a wall at some point, either by a hand on the neck or by a knife in the back. Violin shrieks and a few murders later, we're down to two girls and one guy, probably the white guy, the outsider, and the black girl. Now, these three can stay alive if the group is numerous enough, but there's still a chance that they could kill off the black girl or the white guy...just not both, unless the outsider is the main character and the sole-survivor. Somehow, at the end, the killer is put down, and the main character is reassured that its all over, but the audience is "treated" to a question mark saying that the villain might be back for a sequel....or twelve. Again, like in the generic action film, the entire plot is "stop the bad guy", nothing more, and if you took the villain out of the film, every single other character would become utterly useless and not the least bit interesting.
