It's gotten extremely common to the point where they just know what men want to see. I'll be talking to some random girl from some app and if the conversation turns sexual even implicitly, many will often randomly and unprompted send nudes.

This was not common a few years ago in my experience. And I'm not even a very attractive dude. Is this just a result of the oversexualization of society? For anyone who started doing this more commonly, what motivated you to do so?