Given your complete ability to understand statistics, I doubt you can comprehend what the phrase "average five year old" even means.
Christ, man...you start off over here with some Mickey Mouse BS eugenics theory based on your complete misunderstanding of statistics, you get called out on it, so you follow it up with a Mickey Mouse BS statistics example proving your complete misunderstanding of statistics, get called out on that...and it's blisteringly obvious to you that the problem is everyone else? Were you dropped on your head as a child or something?