I am not, myself, a “soy boy,” although I do believe I am infertile, and thus I think about this stuff a lot.
In that video, they talk about a study whereby you take a man, right? Still with me? You then take 10 women. Two are ovulating, and eight are not. You literally just have the 10 women walk past the man, and said man will be attracted more to the two women ovulating than the other eight, even if the other eight are porn-star-looking supermodels. I actually think this is one of those studies: