Importance of Emotional Machines

Facebook AI director Yann LeCun on the importance of emotional machines   " ... “Emotions are often the result of predicting a likely outcome. For example, fear comes when we are predicting that something bad (or unknown) is going to happen to us. Love is an emotion that evolution built into us because we are social animals and we need to reproduce and take care of each other. Future AI systems that interact with humans will have to have these emotions too.” ... '.  Interesting argument, but I think we would accept something as very intelligent, even without very much emotion.