Sure, but if that’s the argument, then everyone who has ever bought a laptop that shipped with Windows on it is equally guilty.

Perhaps even moreso. Those people are giving money to Microsoft. He took a billion dollars away from them.

But like, this is classic motte and baily. Your initial position was “all billionaires exploit labor for profit,” but when under scrutiny you just retreat to “there is no ethical consumption under capitalism, so he’s guilty by virtue of simply participating in the system.”