Emulating leftist rhetoric to push right-wing ideas is a common tactic.

I've seen people try to push "abortion bad because men force women to get them" and similar bad-faith arguments for years, by anti-choicers who think they're a lot t more clever than they are.

It's very easy to see how "sex work primarily caters to straight males at the expense of women's health and safety, so sex work bad" would resonate with people.