There's this index that tallies up how much your movies have made and if they haven't grossed a certain amount then you're not bankable. I know I'm not Will Smith but you know my ranking's pretty low. The only studio picture I've done is 'Zodiac ' and that didn't perform that well.
'Beauty' is a currency system like the gold standard. Like any economy it is determined by politics and in the modern age in the West is is the last best belief system that keeps male dominance intact.