I feel like when the topic of male looks comes up, things like muscles or 6 packs also come up. But why? I feel like those are just bonuses.

Realistically, a guy who is 5'7 who makes 50k a year with an average body and personality but a very attractive face will be light years ahead of the average looking guy who is ripped, 6'3, makes millions and has a nice personality. So why not emphasize and isolate the important variable?