And it's worth noting that the source of many of his billions of dollars is the US federal government. The federal government is almost the only paying customer SpaceX has. And while SpaceX appears to be delivering good value for the money today, it's still improper for Musk to be handed power to influence and shape federal policy and agencies.

How could he possibly be expected to divorce himself from the practical fiscal consequences of that while works as a major vendor to the federal government ?