While it's not unbiased, his ex-wife's article on their marriage and this comment makes me think Musk has NPD. I was going to say he's a psychopath, but he has exhibited no signs of antisocial disorder. Rather, he's exhibited a lack of empathy and illusions of grandeur.

Seriously, it's more than possible to achieve great things while having an enriching family life. It's about involving your family in your dreams while working on having healthy relationships. It's possible, it takes a lot of work, but most worthy things are.