pretty standard power trip behavior from an exec,

Definitely not in public, and I doubt even behind the scenes is such behavior normal, despite most execs have psychopathic tendencies for powertrips, they usually have more self control than Musk.

Musk was not just being an asshole, he was being an outright idiot about his own company.

Regarding the Cybertruck, I believe it’s a vanity project, because he wants to get rid of the woke image, as if that hadn’t already happened.
He wants that psycho right wing macho image, that comes with a “brutal” truck.