>Sometimes weird shit happens and it doesn't prevent you from fucking so it sticks and there's no greater purpose to it. That's how you end up with random mala

>Sometimes weird shit happens and it doesn't prevent you from fucking so it sticks and there's no greater purpose to it. That's how you end up with random maladaptive mutations. But they aren't distributed across a species. You don't end up with near universal traits in a species without them being molded by evolutionary pressures.