I think this has to do with an optimization by proxy http://lesswrong.com/lw/28r/is_google_paperclipping_the_web_the_perils_of/ http://lesswrong.com/lw/28r/is_g

I think this has to do with an optimization by proxy http://lesswrong.com/lw/28r/is_google_paperclipping_the_web_the_perils_of/ http://lesswrong.com/lw/28r/is_google_paperclipping_the_web_... error by the card issuers and the actuarial tables for fraud risk.