He now has significant influence over all of those things. Official government communications are only being released on X, incentivizing people to use it. The next NASA contract is going to be awarded by people who know their boss’ boss’ boss’ boss’ boss owes his political career to the owner of one of the bidders. Last quarter, a quarter of Tesla’s net income was unrealized Bitcoin profits – and he’s pushing the government to subsidize Bitcoin so it can get the kind of adoption it hasn’t been able to achieve on merit!
This is why government ethics rules exist, and why high-level officials have public confirmation hearings. Even if he was incredibly scrupulous about not making decisions based on his own interests, it reeks of corruption and provides many avenues for potential abuse (e.g. what if China threatened to seize his factories unless he helped them get a better deal?). The federal employees he’s attacked have annual training reminding them that they can’t accept gifts over $20/year – and really shouldn’t even then – with consequences up to going to jail for a long time.