I only play a deep thinker online, I don't think I could write such a thing in a way that isn't merely extensive plagiarism of, say, Steve Sailer.

(That said, reading over my comment, I missed an opportunity: I should have pointed out that the reason why 4>3 is because it is an expensive signal in the sense that attempting to do #4 but only achieving a #2 exposes one to considerable punishment whereas one doesn't run such a risk with#1 and #3, and expensive signals are, of course, the most credible signals.)