Thinking about this because of a greentext I saw earlier complaining about OF models.
It feels like a lot of the stigma surrounding sex work in the modern day (that doesn’t just boil down to misogyny/gender norms/religion) is based on the fact that selling intimate aspects of one’s self places a set value on something that many see as sacred; something that shouldn’t have monetary value.
Not to say anything about the economic validity of a society without currency, but I think that, hypothetically, if that were to exist, sex work would be less stigmatized since this would no longer be a factor. Those engaged in sex work would be more likely to be seen as doing it because it’s something they are good at/enjoy, and less because it’s an “easy” way to make money, as some think. It would also eliminate the fear of placing set value on social, non sex-work related intimacy (not that those fears were well-founded to begin with).
I don’t think it matters whether the exchange of value involves currency or not.
There are things that most people find to be unethical to “sell” (exchange for value in a transaction). Those include actual human beings (slavery), military or political influence (bribery), and murder.
I believe that sex work in often included in that list because of a lengthy deep history of protection of “bloodlines.” Of course, there has always been sex work, but those who offered such services - especially women - were by definition unconcerned about their own “bloodline,” which must then mean that their “bloodline” was not worth protecting. That meant that providers of sex work were necessarily “lower” people.
Today, and especially in the global West, the notion of “bloodlines” is more associated with bigotry than high status. That’s why we’re calling it “sex work” now instead of “prostitution,” for example - and sex work is more socially acceptable now, even if it’s not super high on that scale. Because that cultural thing about “bloodlines” is well-entrenched and runs very deep.