I think it's a natural human tendency. It makes it easier on our heuristics to sort other humans and ourselves into identities. The issue now is that we have t

I think it's a natural human tendency. It makes it easier on our heuristics to sort other humans and ourselves into identities. The issue now is that we have the delusion that we can choose to be anything which makes us unhappy. Previously you were just told and had to get on with it or you had a handful of options and the best one for you was relatively easy to figure out.