American capitalism is run by millionaires, not billionaires
economist.com
economist.com
So it should be called "Some Multi Milloinaires are corrupt too!"
Doesn't mean that billoinaires aren't, because billoinaires obvious couldn't care less about your local car dealerships, they'd be operating at a much higher level (e.g. preventing the import of cars from China, forcing their nonsense stocks into your retirement account, being president).
This is a terrible example. Musk has changed the laws in 15 states to exempt Tesla specifically from these bans.
There is a crucial difference there, and history easily explains why if one bothers.