First of all, Singer ignored one of the most considerable element in Bob’s scenario that Bob bore the psychological impact of directly seeing the kids killed by a train because he failed to throw a switch, when he suffered the pain of losing his “rare, valuable old car, a Bugatti” which he had “invested most of his savings” and the moral condemnation of sacrificing the innocent kids at the same moment (404). On contrast to Bob’s situation, most people never see the crowd of the poor, suffering from hunger and cold, exposing their gaunt bodies and begging for help. What most people have seen are a few beggars on the street which may be a common scene that people are accustomed to, providing way less psychological impact on people. Mental shock is always a significant element as a motivation to people. When donating 200 dollars to an overseas aid agency, people can never see the kids they are saving; instead, they can merely see their 200 dollars, earned from hours of arduous work, are given away to strangers. Even if the donation is guaranteed to save the kid, people always tend to believe what they see rather than what they hear. So, we can see that it is more likely for Bob to choose a rather provoking one compellingly since he had to see the kids killed or to see his car crashed, which might both bring him considerable metal shock.
Moreover, when people have to make the decision of giving something up to reserve the other, the particular one that stays tends to be more valuable to him or her. When Bob chose to sacrifice the kids, it was obvious