Things are a lot more complex than that, or else men with high IQs would have women crawling all over them. Different women have different biological responses and different opinions about what is sexually attractive in potential mates. And often the two are in conflict.
Instead, “superior DNA” is very subtle. In some cases, women take cues from other women as to who the most desirable males are. Some are totally oriented to the wealth of potential mates. Some physical attractiveness and physique.
Importantly, while it *almost* seems random, it is anything but random. Science knows there are patterns, but has a very hard time figuring them out.
My own observations lead me to the conclusion that the desired “superior DNA” is a combination of looks/physical traits and intelligence. Cultural influences as to what constitutes “desirable” are significant, but 7s marry 7s and 3s marry 3s, for the most part, be it in looks or smarts.
All of that has little to do with the long term. Compatibility is also needed for long term success, and that is where I think culture has an even bigger influence. Women are conditioned to think that they are entitled to it all, regardless of their own worthiness. “it all” doesn’t exist in the real world. Western women have been poisoned by feminism. Every signal given by popular culture is that the husband/father is a buffoon, while the wife is a snarky/clever (but far superior) hen. The meme is that your balding, pasty, wimpy husband isn’t worthy of you; and it doesn’t matter if you are an overweight, nagging bag of neuroses, it’s all on him. It’s pure poison, eagerly consumed on a daily basis.
The bright side is that Helen Gurley Brown died last month.