It resulted in a 9% increase of the "calls to hotline" metric, so you can just go ahead and pay him:
> In April we began prominently displaying the number for the National Suicide Prevention Lifeline at the top of the results page for certain search queries in the U.S. Since then, our friends at the National Suicide Prevention Lifeline have reported a 9 percent increase in legitimate calls to its hotline.
> In April we began prominently displaying the number for the National Suicide Prevention Lifeline at the top of the results page for certain search queries in the U.S. Since then, our friends at the National Suicide Prevention Lifeline have reported a 9 percent increase in legitimate calls to its hotline.
http://googleblog.blogspot.com/2010/11/helping-you-find-emer...