When we look at the aggregate wealth of the top 1000 families in the US, the answer to the title question is found. 3000 billionaires world wide. 40 years ago there was 1 or 2. Outside of the hidden wealth of the Rothschilds, DuPonts and so on.
The money is there. Always has been.
Socialism is vilified by the wealthy and those that work for them … GOP. But it only means a fair distribution of wealth.
Sharing is not an arcane concept … unless you’re 4 years-old and want to eat the whole moon pie. 😉