-That's what you get when your character is a 70 year old corporate figure.
-Well, at the very least, it would create an interesting dynamic for a while. But it also creates its own issues. For instance: how can Superman have a job? And if he can't, how can he live in a city? There's not necessarily impossible to find answers , but y'know, with new dynamics comes new questions to answer. And you know how much comics fans like novelty.