This side of him is likely obscured by the fact that he feels most deeply about his own humanity-altering quest and so has trouble recognizing the strong emotions of those around him. This tends to make Musk come off as aloof and hard. I would argue, however, that his brand of empathy is unique. He seems to feel for the human species as a whole without always wanting to consider the wants and needs of individuals. And it may well be the case that this is exactly the type of person it takes to make a freaking space Internet real