If they made their current net annual income for the entirety of their existence (not even close), then they would've needed to be taxed ~50% to have reached $1

If they made their current net annual income for the entirety of their existence (not even close), then they would've needed to be taxed ~50% to have reached $1 trillion in taxes. I get (or at least hope) that it's an exaggeration, but I'm not too keen on seemingly witty phrases without substance that get repeated everywhere.