I get the joke, but the literalist inside me wants to always point out when I hear this that it's not as though he stops being the founder of Microsoft in the few seconds he stops to pick up money.

He doesn't lose money by picking up money. It's more than likely less than the daily market fluctuation of a single stock of MSFT, but stopping to pick up money doesn't interrupt or halt his income in any way.

Well he pressured oxford into not open-sourcing the vaccine. To him, that is probably a quarter on the ground.