They do? What are you wanting, some catalog of GAF posters? I'm not really into that.
It's the kinds of individuals who demand professors be fired, that every and any game or TV show with extreme violence/sexual content needs to reevaluate itself or actual comedians can never tell certain kinds of jokes because jokes can't be jokes. Everything is serious and humanity cannot try and make light of all the dark and horrible shit we need to deal with. As I said, the kind of stuff mums and dads in the Christian right would get up in arms about because GTA has prostitutes and violence in it! Education is teaching how intercourse works! The kids are all watching South Park!
Whoever it is, on whatever side, it's about being authoritarian and wanting to lust after control and power of people's minds, lives and what they do. Funnily enough, mentioning South Park, it is a bit regressive to start calling it alt-right. Why? It's seeking that power and control to try and push people away from it by associating it with a terrible movement for literally no reason other than... you don't like it, so how dare anyone else get to enjoy it?
And before this post gets everyone quoting saying "but criticism is fine!". Yes it is, being regressive isn't criticising, it's getting up in arms not everyone accepts your criticism and won't follow in line with you. That's power and control, it's you almost demanding people believe what you tell them. The Christian right, and right in general, has been doing this for decades. They want control of you, your mind, your ability to think and speak and for you not to be an individual, but part of the collective herd.