My opinion is that, if you ignore the judeo-christian prudishness, it comes down to two things. First, some jealousy. It *looks* like easy money, and they're having sex (in the case of porn actors), so there's this almost subconscious anger that someone else found a trick to "get rich". Thing is with that, the only people getting rich in porn were/are the producers. Only fans shifted that a *little*, but the company takes a cut like any asshole pimp would. I've actually heard people irl express things that lead me to believe this is a common factor. Second is the fact that a large swath of people, even though otherwise open minded and unconcerned about sex issues, still think that the *only* reason one would sell their sexuality is because they can't do better. It's the whole thing where humans like to piss downhill. Anyone doing something that a person considers "below" them is gong to be seen as inherently flawed. That doesn't apply only to porn, btw. Hell, I fall prey to the trope that anyone doing porn *must* have some kind of trauma, if I don't pay attention to myself. It is true that porn *as it exists in this world* is marginalized, and heavily staffed by sufferers of trauma. It actually *is* one of those jobs where people that have serious mental health problems and/or drug dependency get drawn to because it's relatively easy to find and keep income compared to other jobs when you have those issues. Since porn *is* marginalized, there is a significant portion of the on screen workers that don't have many other options. It's super easy for someone young, undereducated, and desperate to end up being paid to show their body or fuck. Since someone in that situation is going to get paid less doing anything else they could find, the industry is heavily weighted towards that population (partially because of the ease of finding desperate people, and mostly because the desperate are easier to exploit and abuse). Only fans runs closer to neutral since it is based in individuals. So while abuse occurs, and there's a lot wrong with the company, the real *abuse* only happens when an outside person is forcing a model or models to perform. Not that porn is free of trafficking and forced labor, but it's less useful to do that for porn when there's easier ways to exploit someone there. That's my take anyway. It's based on casual conversations with people that object to porn in its various guises, and the rest from casual exposure to interviews and conversations with adult performers