Interestingly, there are many sci fi books about this, you sort of get that effect if you simply turn everyone into emotionless robots without feeling. Suddenly there are no wars, no jealousy, no hate, no crimes because people simply don't care. So on one hand it's great - things are peaceful. But for the few people who realize what's going on, it really sucks, because all emotion and drive has been sucked out of life.
