system
Given the following post, respond as if you're commenting on Reddit:
human
[DC] If Superman existed in our universe with all the abilities he had from his original, How would it effect our society?

Bonus Question: How long would it take for him to turn us into a Utopian Society of Peace?
gpt
Our universe has no Kypton, no Kryptonians, and no kryptonite. It doesn't have Metropolis, Gotham, or Coast City. There's no Lex Luthor, no New Gods, and no Doomsday. 

Superman would be absolutely indestructible. There are no limits to what he could do, and no force could hope to oppose him. 

Superman's existence as an 1) extraterrestrial 2) interdimensional traveler would at first terrify many people and put governments on alert. However, after his actions prove he has no (immediate) intent to conquer the planet or exterminate us, he'd probably be embraced as the hero he is, gradually, at least by large sections of the public.

The fact that he exactly resembles a human likely prompts questions about whether Kryptonians of his home universe actually are aliens at all, or if they are some kind of advanced offshoot or progenitor race. His appearance (white skin, blue eyes) probably revitalizes numerous white racist organizations, despite Superman disavowing their beliefs. Others take him to be a god, or even God, prompting numerous cults to spring up. Other cults arise to name him Apophis, the Anti-Christ, etc. and prepare for the end of the world, but they become marginalized over the years.

People will soon demand "real" work from Superman. Rather than just stopping bank robberies in big cities like Chicago and New York, people will ask him to irrigate the Sahara desert, use his breath to counteract global warming, etc. If he refuses, he probably causes figures like Lex Luthor to become prominent - influential people will wonder aloud why Superman refuses to help in major ways when he clearly can. If Superman replies that we need to learn things on our own, huge numbers of people will consider him to be merely patronizing us.

If he does do these things, however, we might stagnate. Why improve space travel if Superman can simply carry our colony supplies to the moon, or if he can terraform Mars by just vaporizing ice comets over it? Why bother trying to become a peaceful species if Superman's mere presence tends to make war impossible? If Superman does such things, widescale worship of him is practically inevitable.

Given the choice between stagnation or global resentment of Superman, someone will make a bold suggestion: Use Superman's DNA to advance the human species. With his DNA, we might unlock a way to hybridize humans with Kryptonians. With such a transformation, we would see an end to war, disease, hunger, and death. Our intelligence would increase by several factors. Stagnation is unlikely, because as we expand, we will find thousands of habitable worlds which don't orbit yellow stars (some research indicates that most earth-like planets actually orbit red stars). We will continue to develop technology in order to explore these new planets.

We may eventually meet other intelligent species. With Superman as our inspiration, we will be peaceful teachers to them and create a multicultural intergalactic society. In time, we will explore time- and interdimensional-travel, both to help Superman find his home universe, and to meet the people of countless worlds.