I will note that the few times I investigated claims of Elon lies they were not proper lies, either being misunderstood, misleading (which IS unethical, don't get me wrong), of indeterminate truth value (he said, she said type stuff), delusional optimism or actually true.
Like journalists, Musk rarely outright knowingly makes literally false statements, but this does not mean you should take what he says at face value.
I prefer to assume the best out of people, but when someone is that obviously wrong that many times with that much personal gain to come from it, I can't believe that man as smart as he is would also be that misled.
He should have lost that libel case imo as I do think he meant it.
Saying "he really believes his lies" is not excuse, because most habitual liars are exactly the same. They have prioritized their own narcissism so far above reality, but that doesn't make them any less of a liar. They are just lying to themselves and everyone else.