You're looking at it wrong. There's plenty of people that appear "well-behaved" but they exist on the precipice of "right and wrong" in their psyche. Obviously there are plenty of very criminal people - the c-suite and politicians are disproportionately psychopathic if we're to follow the narrative that psychology has been spinning. And you can see it, there's a wide gamut of extortion and wars. And you'd do well to consider the number of people in prison and those outside of prison simply due to favorable probability. And that's what it boils down to. The probability that some unsexed, psychically distal individual is pushed to the point where they consider the risk reward to be favorable. Introducing sex work into the equation eliminates that specific group, and may buffer, to some extent the truly sinister people who are inclined to exercising their power wantonly. As far as evidence is concerned, do you need a study to do a study to produce evidence that man lives in fear of death?

Of course if one really wanted to present the curative, we'd do well to trivialize sex, but that would destroy marketing culture.