Let’s see here. Hard to gauge popularity on this kind of thing, but I’ve run into anything from steady disagreement to outright abuse for some.

Prostitution should be legal, and well regulated for the protection of sex workers.

The age of consent isn’t, or shouldn’t be, about the empty idea of protecting kids, it’s supposed to be about picking an age where the individual should have the freedom to exercise their right to body autonomy, no matter who they choose to exercise it with.

Most kink is boring as hell, and too much attention gets paid to it outside of those that enjoy any given kink.

Any person should have the freedom to give up consent ahead of time, though it would have to be regulated and require documentation to prevent misuse of that freedom by assholes.

Anal is over rated, and even with prep isn’t worth the extra mess and hassle.

Most people wouldn’t be able to tell the difference between a given hole in the dark unless there’s a mustache involved. A mouth is a mouth, an ass is an ass. If you don’t know there’s a man or a woman behind the hole, you would perform just fine.

I really don’t care where you stick your dick, or what dick you take; if there’s no physical injury involved, you can fuck your dog and it’s none of anyone else’s business. Only reason it matters beyond that is if the dog gets in the habit of trying to fuck other people. Same with any other animal; just because it’s gross doesn’t make it my business.

Power imbalances only matter if they’re abused. No need to poke our collective noses into things until that happens.

IDGAF how big of an age gap there is, once both parties have reached the arbitrary age of consent, it’s none of my business, or anyone else’s. It isn’t automatically bad either.

Also, as an adjoining thing to unpopular sex opinions, even really weird opinions aren’t automatically bad or a sign of something wrong. Sometimes people just don’t agree with the majority. Other times, the majority is wrong. If you can’t point directly to an automatic form of harm regarding whatever that opinion is, chances are that you’re reacting to the social mores you’ve absorbed rather than having formed your opinion with thought and care.

Edit: one last one!

Your body count doesn’t say anything about you other than that you’ve fucked a lot. Pussies don’t get worn out from use, neither do dicks. Get tested, use condoms, and stop being a judgy asshole.

Edit 2: my brain is catching up

You don’t have to be enthusiastic about sex. It’s okay to just consent to make the other person happy, as long as it isn’t being pressured into agreeing. Even then, it’s okay for the person that’s agreeing, it’s the one applying pressure that’s a jerk