They didn't do anything to deserve to get good genetics.  To have good genetics for a good facial structure, to have an easier time staying fit and toned.

And it's a self-feeding loop.  Attractive people get treated nicer more often, so even if they are awkward, they'll eventually learn more and more how to be social. 

It's just living life on easy mode.  You can still fuck up easy mode on a video game, but goddamn is it easier than hard or legendary mode.  

It must be nice to just exist and have people want to do stuff for you.  To want your time and attention and approval.