I don't necessarily disagree that many young men I know have "certain attitudes" toward women and sex. That said, what actually leads men to thinking this way? And why do women allegedly not? And how does this necessarily pertain to prostitution?
A combination of the subtle (and usually not even deliberate) comments that boys hear from adults around them from a young age, the much more explicit things that their start hearing in their (usually all-male) circles of friends around puberty, and the subtle but very deliberate cues that they get from the media (especially TV ads). All go into the direction of presenting sex with women as a commodity that men can get if they fulfill the right criteria (in terms of attractiveness, assertiveness, wealth, or you name it). If men don't have sex, they're either not "real" men or have failed by these arbitrary standards. At best, they're deserving of pity and support, to the point of (as the post I was responding to in the original thread suggested) designing public policy around their "needs". And of course, women aren't supposed to have any agency in the process.