This is such a lib take that it pains me to read it. The whole post is worth a read, btw.

https://proletarianfeminist.medium.com/the-problem-with-the-phrase-sex-work-is-work-bdac613eb2f0

Such a complete misunderstanding of the industry is the result of a flattening of distinctions between all work and a misunderstanding of Marxist theory. Wage labor is exploitative because of the surplus value extracted from the workers' labor. Prostitution is sexual exploitation because it feeds off of extreme vulnerability to maintain a class of prostitutes, coerces sex through money and power, and exposes those women to high amounts of rape and violence. Not all work involves coercive sex, not all work comes with the high risk of rape and male violence in whatever legal context it operates under. Not all work puts the body and it’s component parts on the market to be bought, sold, and rented at will to the highest bidder.

It is not about sex, it is about money. Because money is something people need to live it calls in question whether or not the sex is freely given or coerced. If a person has sex with someone not because they want to do so, but because they have to, I do not think there is much difference whether or not the threat comes from say violence or starvation. If people want to have consensual sex I think that is great in all forms that can take. If the consent is contingent on monetary compensation I think there is a high chance, though admittedly not entirely certain, that the sex is being coerced in some way, which I would say constitutes rape. Why do you think it is okay to have an uneven allocation of money in a society so that those on the top can do with those on the bottom as they want?