Hmm. http://en.wikipedia.org/wiki/Revealed_preference would conclude that they had some kind of preference for consuming crack—but yes, defining utility in subjective terms is pretty vague—and it allows all kinds of positions to be argued.
Hmm. http://en.wikipedia.org/wiki/Revealed_preference would conclude that they had some kind of preference for consuming crack—but yes, defining utility in subjective terms is pretty vague—and it allows all kinds of positions to be argued.