Why not? It makes him look good, and we all know that his money’s staying right in his pocket.
You are probably right that it boosts his image while protecting his investment. Some will scoff, but if one has the means and the mind to make such an offer, there is always at least a slim possibility that it might touch someone’s life in a way that has a wider effect. God can make all sorts of good things happen out of the ills that plague us.