Ah, so it's a hand-wave of us somehow getting to a point where everyone was perfectly incentivized to automate everything (without price gouging in the case of

Ah, so it's a hand-wave of us somehow getting to a point where everyone was perfectly incentivized to automate everything (without price gouging in the case of monopolies) and pay enough taxes to cover the 12 trillion dollars to give 300 million people $40,000 anum? Last year the US brought in a bit over 3 trillion in tax receipts to put that in perspective.