I feel what LHX said there, about how maybe feeding children superhero narratives for years and years will lead to adults that never feel they're living up to their potential.
Tyler Durden, in his preacher voice, says that we were raised thinking we'd be rock stars and now we're not, and we're very angry.
Like how when The secret stops working and it can only be your fault. Or how an ethos of individualistic overcoming results in coming last before the world that is positioned over and against it. I'm sure there originally was another meaning to "superman", reminiscent of somehow transcending the human condition, or some kind of limitation it presents. (No, absolutely not transhumanists)