I can also imagine that he'd say that just because it makes him look/feel better, i.e. it's more of a sacrifice if he gave it for free while he also could've be

I can also imagine that he'd say that just because it makes him look/feel better, i.e. it's more of a sacrifice if he gave it for free while he also could've been a billionaire, than if this was the only way Wikipedia could ever have been a success. Then again, WikiTribune was a for-profit.