I agree that calling Superman a “one man nanny state” would be inaccurate, and I would certainly not use any such term.
It’s inaccurate for how Superman typically behaves, but it’s accurate in that it matches your claims about him. You said:
The point I am making is that “might makes right, and right is this ideology that I have which involves various things that I claim are good” is still “might makes right”. Superman isn’t “in it for himself”, he’s in it for other people—which in fact is much worse.
The term for a government which harms people for their own good is a nanny state. Superman doing similar things all on his own using his great power makes him a one man nanny state.
It’s inaccurate for how Superman typically behaves, but it’s accurate in that it matches your claims about him. You said:
The term for a government which harms people for their own good is a nanny state. Superman doing similar things all on his own using his great power makes him a one man nanny state.
It does not.
A “nanny state” style government is not literally the only scenario in which someone does something to someone else for that person’s own good.