Yes and there is every possibility for such happened considering how wealthy they are or could be, people like Elon Musk, and Bill gate could do that because they makes millions dollars within 24hrs and if they keeps spending that wouldn't affect their overall savings or investments reason because they already has investment where they are already reaping it folds, so they aren't much cared if they spent that on their foundation. What they believe is the life they would have to impacts before finally leaving the face of the earth.