Any hypothesis is valid until proven inaccurate, their might be thousands of contents supporting your argument but as soon as there is hard evidence against it, the theory is demolished and abandoned.

I have personally witnessed skinny, ugly lad pull fit birds, my mate is one and has a stunning girlfriend, girls love him because hes a cocky lil twat,

I know fat guys who have pulled 10’s, even know I still find it difficult to comprehend.
But for this reason I agree with jazz’s earlier post, and that its bullshit.
The only way looks play a factor is the effect your looks have on yourself,