Perhaps it used to be the case that people had trouble imagining a utopia, but here's two solid utopias (or near enough) I've encountered in fiction: the entirety of Ian M Bank's "Culture"; and the second chapter of Cory Doctorow's "Walkaway". Also, there's the perennial example of Burning Man (and related festivals) - here's an example of people creating happiness that has little to do with the removal of scarcities…
> Also, there's the perennial example of Burning Man Which is a temporary outlet for a select very affluent few Westerners (non-affluent person wouldn't even be able to afford transportation and supplies, not mentioning $500 entrance fee) who drive there for a week (increasingly accompanied by air-conditioned tents and personal chefs), frolic in costumes or negligee, burn stuff down for fun and return to their regula…
I know that x, which is a member of group X, has the property P. Therefore, membership in X causes property P.
I can play this game too.
Haiti, Ethiopia, Liberia, India, Honduras and Somalia have market economies, and they are poor. Therefore, market economies make nations poor.
There's really not much to learn from this kind of argument.