Intelligence shown by ponytail angle?

As I said the other day, you can't argue with science. However I'm not sure how much actual science is involved here...

are you saying Pebbles Flintstone couldn't have been a brain surgeon?!

Buzzfeed has a post here that I'm pretty sure the basis is to more efficiently hit on chicks...
Sorry if anybody has the "theoretical zero point" but if you did you probably couldn't read this anyway.

Source -> http://badspot.us/img/PonytailTheory.html