I did say this is how you seem to be reading things. As in, you seem to be reading very poorly. We can only judge by what you type.
Typed slowly perhaps, but got it wrong again.
Not one of the scientists quoted is saying that. They are not saying that intellect is BASED on appearance. No where, not in this thread.
They are saying that certain groups seem to share these traits at a higher percentage than would be expected from pure chance. In other words, that the two traits may have some degree of correlation in some groups.
They are NOT saying one causes the other. What about this don’t you understand?