Also labor. If a billionaire buys a luxury product like a jet, or a yacht, or even just an expensive car, all the labor that goes into production and upkeep of

Also labor. If a billionaire buys a luxury product like a jet, or a yacht, or even just an expensive car, all the labor that goes into production and upkeep of that product is used up solely for the benefit of the billionaire. If wealth was distributed more fairly, all that labor would go into things that benefit a wider audience.