Dark comedy soft sci-fi for those who don't like sci-fi.
In an office in the far future Erwald creates one market survey after another. Discontented, his only daily relief is to build utopias inside his mind while he hides from reality in one of his company's lesser used restrooms.
Greta has no need for such imaginings. She knows that the best of all possible worlds is about to come. It will be given by the race of extra-terrestrials currently directing operations through her favourite guru.
Meanwhile the entire Earth is overseen by a jealous computer, one that wants no competition from other intelligent machines and which for its own purposes has created a simulated universe within itself. Indeed the book's narrator is a smugly satisfied inhabitant of the simulated Earth who loves to expound on how it is his world that is by far the best of all possible places in which to live.
It is a story of adventure, a story of longing, it gives a workable cure for capitalism and many, many other answers too - though all of them only virtual.