So I think the point is that utopia is incompatible with human nature, so we would not do well in that environment anymore than an animal wouldn't do well in a

So I think the point is that utopia is incompatible with human nature, so we would not do well in that environment anymore than an animal wouldn't do well in a zoo. Yes, an external environment can be imposed on people which goes against human nature, but it turns into hell, not heaven. Of course here I am talking about real life. What happens in novels is up to the author, but then readers will detect a false note if they really believe utopia is utopia, so to speak.