Here's an interesting one. They only email contributors when they have over 0.005 BTC sitting around. So any contributor who over their lifetime is donated less

Here's an interesting one. They only email contributors when they have over 0.005 BTC sitting around. So any contributor who over their lifetime is donated less than 0.005 BTC is never told that the money has been given to them. So we can reasonably expect that almost all the money put into this service will end up sitting around and not going to the people it's supposed to help.