Some jobs are just simply for poor people. I'd rather solve that problem than isolate the effort to sex work.
The work involving sex doesn't make it significantly more exploitative than being so poor that you're willing to take short term gains and long term losses driving for Uber or something. At least you can come out profitable in sex work.
Let's also think of the service being provided here. Low economic status, ugly men can have their biological urges satisfied. What happens to incels if that goes away? This question is only going to become more important, given the trajectory of hypergamy.
As someone that lives in the US, neighborhoods, in my opinion, are ruined by moralists, even if they appear respectful. e.g. I can't legally walk around sipping a beer.