Man cannot live without some reasonably-clear notion of the good society - and for most people mostly that relates to what happens after death.
It seems to me that different people, in different times and places - have, individually on average - different utopias.
These hopes can be seen in variety of hoped-for outcomes in the various religions (and ideologies)...
Some hope for oblivion after death; some for bliss without self-awareness (just-enough awareness to experience bliss).
Some for a world of pure thinking - others for a world without thinking: a world of pure feeling...
Some for a kind of static situation of perfection; others for a dynamic and creative situation.
Some for autonomy, independence; others for deeper and permanent relationships.
Some for eternal marriage and heavenly families - others to escape marriage and get-away-from their family.
Some for endless and unbounded creativity; others for an end to the need for it.
Some to gratify their desires; others for a harmonisation of their desires with those of God.
Some hope to live in a Heavenly City, with many specific roles and jobs and responsibilities, tailored to each willing individual - while others yearn for the simple, unplanned individuality of a spontaneous, small society.
Some hope that Heaven will be perfectly organised, down to the smallest detail; others that Heaven will be an end to organisation.
What sense can be made of all this? Is there one Utopia, one Heaven - and by-that-time, it will be the Heaven that everybody wants (even though they don't want it now).
Or is this all nonsensical wishful thinking - and the entirely of Mankind has been deluded throughout history until modern times, places and people? Really there is nothing-but nothing-ness - no meaning - either randomness, or mechanical determinism, or nothing at all.
Or who knows? Who cares? What can we do about it anyway?
The answer I favour is that God, as both creator and loving Father, has a Heaven that he wants for us - and hopes that we also will want... by the time that decision arrives; but that God also provided many other outcomes and destination (many 'Heavens') according to the deepest and truest wishes of each individual person's heart.
If, therefore, we get what we want, and we get to choose... we ought to reflect more than we do, in more depth and detail, on what we really want from utopia.
NOTE ADDED: This is partly prompted by the observation that some people in this world, perhaps a lot of people, don't appear ever, at any time, to want what God has to offer them - and this makes me wonder why they are incarnated. Of course, there are those who are corrupted to evil... but there seem to be others who simply don't want Heaven. It strikes me that there may, for example, be some pre-mortal spirits who have decided that this whole conscious-life thing is a thing they don't want to persist with... It may be that, in some fashion, incarnation is a 'route' for such spirits to reach what they most aspire to (oblivion, Nirvana or whatever...); just as incarnation is in a very different way a route to death, resurrection and eternal life of the kind that Christians most hope-for.