Or maybe it can be used to provide job opportunities to people currently underserved, for example, if you are bound to a hospital bed you can get a VR telepresence job to make some money and help pay your medical bills.
Here is one for the contrary (just a book review. The citation is the book).
https://cleantechnica.com/2026/04/06/we-need-to-tax-billiona...
That's not really how that works. Almost all of that money is tied up in operating businesses. Most very rich people mostly hold investments in stock - and generally at large companies. That's debt, not an asset I think the way you're thinking of. Overall, taking that money out of market holdings reduces the value of those holdings, for everyone else as well. You really end up lowering the retirement savings value of everyone who has a retirement plan by some amount.