When are aren't doing their job to our liking, we have the ability to remove them and replace them. Try doing that with the CEO of an airline.
Then there is gonna be a gold rush of airline startups leading to amazing innovation, offers and low prices for consumers. Unless your government intervenes and regulates the market into a monopoly of incumbents, of course.
> Corporations are authoritarian, tyrannical institutions
Corporations are at the mercy of their consumers and investors. They get toppled every day. Remember Nokia? Motorola? IBM? Zoom? Heck even Intel lately?