True. Could very well be that insecurity has driven him. That's probably fairly common. For instance, imposter syndrome is a very real thing and I know that my fight against it has propelled me.
The problem, of course, is that it can also create toxicity. And, Musk being a very powerful man can make that a dangerous thing. I think that's what you're alluding to.
My biggest concern is his apparent belief that his power and "contributions to society" mean he should be beyond accountability or should be able to decide which rules apply to him. That's the stuff of dystopian future sci-fi.
In fact, it concerns me when people believe they should be able to unilaterally decide what rules apply to anyone.