The problem with ideas like this is that it takes the ladder away from middle class and the poor. Both need growth in order to improve their conditions, and their place in society exists only because they can produce growth. Without it the power of the wealthy over them would become a weight pressing down with such force that it would intolerable.
Is degrowth incompatible with improved middle class and poor living standards if the rich didn't take so much?
You might approach the footprint of a medium sized town if you built your own orbital lair and lived like a cyberpunk oligarch in space. Maybe.
Of course for some resources there is little difference at all. Elon Musk and Jeff Bezos don’t eat much more than you do.
Money is not physical. Start redistributing physical stuff and you’ll find that soaking the rich barely makes a dent.