One of the anti-gay responses/comments is along the lines of: "If we legalize gay marriage, what's next? Legalizing sex with animals!?"

Why do you think homosexuality is compared with bestiality? And if it could, how can that perception be changed?

Sex with animals is actually legal in some states so that logic is flawed.

In b4 the mess

Yeah I think you can have sex with a horse in 23 states from something I saw on Twitter

Because those people are stupid. The only people making that comment are ignorant ****s. So they're clearly stupid anyways

Because both differ from the norm. And because there are people who are stupid enough to not see the difference.

The comparison makes no sense and it's kind of sick how bestiality is the first thing that comes to these people's minds

And how people compare being gay with pedophiles like what the ****. Any sane person with half a functioning brain can see that two consenting adults is not the same as an adult and an animal or an adult and a child but they still try it and think they're actually being smart. At this point I just pity them for their extreme low level of intelligence

The sex with animals thing doesn't bother me as much, but THIS is just sick. People that do this are truly demented.