I would point out that only funding projects that can easily measure and quantify results will rule out a lot of important projects. If you are going to donate, then you should do it responsibly. Using an independent non-profit to evaluate your potential recipients is a way to do that, and getting direct experience with the non-profit is another.

You seem to have missed my point: Doing evil things for money and then donating some of that money to charity is generally worse than not doing the evil things in the first place.