ORES was built with substantial volunteer input. ClueBot, an even more important vandal-fighting feature, was created by volunteers.
https://www.theverge.com/2014/2/18/5412636/this-machine-kill...
But in a way that's immaterial. Nothing wrong with having money and expanding. They just shouldn't tell people money is needed to defend Wikipedia's independence when by any measure they are richer and more secure than ever before. If you want more money, lay out your plans. Enthuse people for the additional things you want to do with the extra funds. Don't pretend you need five or ten times more money to do the same thing you've been doing all along.
https://en.wikipedia.org/wiki/Wikimedia_Foundation#/media/Fi...