Though (at least to my knowledge) Zuckerberg doesn't have a history of abusing his authority to make deals that advantage other companies he owns at the expense

Though (at least to my knowledge) Zuckerberg doesn't have a history of abusing his authority to make deals that advantage other companies he owns at the expense of Facebook. E.g. SpaceX buying up large numbers of Cybertrucks Tesla couldn't sell at MSRP, not even negotiating a good fleet sale deal.