I'd be very curious to hear more details on this, do you happen to have a source handy, or any recommended reading?

In fairness, the money he gets from being a scumbag with fandom probably can't be used to fund Wikipedia unless he wants to donate the money he's making from his business to run his nonprofit. It's not surprising he wouldn't do that (even if thats the way the world ought to work) and I don't presently have reason to believe he personally gets anything out of the donations that are given to keep Wikipedia running