Why is society so gross to young women?

Seriously, I’m so tired of seeing girls around my age (I’m 18) being body shamed, sexualized, harassed and just dehumanized in general. I’m tired of also seeing them be preyed on by men, and I’m tired of other women constantly judging. Why does society treat young girls so bad? We’re literally just trying to learn and navigate. Why so much high standards? It’s insane.