Thomas Sowell once pointed out that billionaires are correlated with millionaires, and millionaires are correlated with a middle class. Most countries without billionaires are not great places to live and work. Governments without rich people to tax do not accomplish much in the way of welfare.

Take a look at a map of countries with billionaires.[0] I would argue those with billionaires are much better at providing social welfare than those without.

[0] https://en.wikipedia.org/wiki/List_of_countries_by_number_of...