Brains run on heuristics and shortcuts. A group of brains will develop shared signals to aid in that energy-conservation. They will then refine their signalling, ie contextual, implicit, misleading, covert, etc.

Some signals are loud and drown out more complex ones. "Sex sells." The more those types of signals are tolerated or incentivized on a platform, the further it will be dominated by noise masking covert signals.

I once attended a round table discussion in a previous job. The topic was women and work. I'm male, and was a manager, and figured that if half my directs are women I should do what I can to listen and support them.

Anyways, the guest of honor proceeded to advise the 100+ female managers in the room to, among other things, "use their assets" to influence people in the organization. This was met with a stunned but approving clamor.

I felt embarrassed, as if I had accidentally crashed a private sleepover. The person sharing the advice had a proven track record. Why hang onto sexuality signals? Because they work.