>>23431391The problem is that in order to compensate for retardation being a big downside, the only retards that do procreate are the ones that are fertile enough to easily bear children and sexy enough to snag a healthy mate in spite of their retardation. It's a self-selecting process and only trends towards higher levels of sex over time. Minato Aqua is the result of thousands of years of sexual selection for the most fertile, most fuckable retard.