[londons_explore]

My guess is some of the short sellers have friends who work at the SEC.

That and Musk runs his company like a child, which allows it to be nimble, but also means every action doesn't get as much scrutiny as they expect.

[bjl]

Or, rather than postulating some shadowy conspiracy theory, we can guess that the SEC is a law enforcement agency, and Musk has repeatedly (and in plain sight) violated the law.