But it makes people feel good giving away other peoples money. And that feel good wins votes.

But Zuckerberg hoarding 100s of billions of dollars of wealth far less productively than say a family in poverty on food stamps would slows the velocity of money and also keeps that money out of the broader economy.

Production of the staples of middle class life, like homes in decent neighborhoods and seats in decent schools, is limited more by the use of middle class political power to restrict it than by a lack of capital or demand. More money for consumption might help with already-cheap consumer goods, but it only drives inflation in the core class markers.

If you gave everyone the amount of money Larry Ellison has (we could just print it) then Larry's wealth would be equal to everyone and he or Zuck couldn't afford a compound.

Would be equal to everyone in their possession of worthless currency. Houses, neighborhoods, school, hospitals, would exist in the same numbers with the same variations in quality. People already having access to good ones would be set even further apart from everyone else, since it would be impossible to approach their position by earning money.