I'm not sure about his thesis, but I like his evidence. e.g. http://blogs.law.harvard.edu/philg/2003/12/01/why-pretend-to-care-about-others-when-we-have-profes

I'm not sure about his thesis, but I like his evidence. e.g. http://blogs.law.harvard.edu/philg/2003/12/01/why-pretend-to-care-about-others-when-we-have-professional-therapis/ http://blogs.law.harvard.edu/philg/2003/12/01/why-pretend-to... "Being poor is caring about your friends" (paraphrasing)