I imagine there could be more spent on improving the condition of the roads, public housing and health provisions, school budgets could be larger, any number of

I imagine there could be more spent on improving the condition of the roads, public housing and health provisions, school budgets could be larger, any number of things. I don't imagine tax take would double, however many billionaires got fleeced, but the premise that the government would necessarily be worse at disbursing the funds than private individuals is laughable.