Update 2011-10-05
Update 2011-10-05: I don't accept this argument any more. The problem with me stealing food from people in the parking lot is not that "it is wrong" but that it decreses expected happiness. People would respond to my theft, and their responses would be negative. Ending slavery might or might not have been a better use of time and money than funding missions, but one of the two is more cost effective at maximizing happiness (I don't know ...