It seems to me like makeup is a tool. Like any tool, it can be used or misused.
I haven't worn much makeup in my life. I didn't begin wearing it until I started going out in college. Since then, I've continued to wear it on nights I go out, but that's it - and even then it's limited to eyeliner and mascara. I'm just not the kind of person that enjoys spending time putting on makeup. I'd much rather take that time to work or exercise, but that's just me.
Everyone has different priorities. Everyone has different activities that make them feel happy or wanted. For some, that's makeup