That's terrible and the article says he did it to show off to his friends.
What about the following year when a new model comes out? Not a lot of foreplanning there.
If you give up a kidney in sanitary conditions (apparently lacking in this case) it should be quite safe and may well save someone's life. This article is irresponsible to deride the decision as stupid. I haven't done it but I applaud anyone who does. http://www.giveakidney.org/