Elon's MAGA turn is not some heartfelt ideological evolution, it's just a shtick to get a new base of support and make himself look like the victim when TSLA's stock price implodes.
Where I will somewhat agree with your comment is that it's clear the media has carried water for Musk for many years, and that imperative seems to have lapsed. Why it's happening now, I'm not sure.
It's not nearly that deep. Progressives will buy his products because they're good for the environment. Pretty soon, they'll have other options, but production keeps increasing, so he'll need new customers. Now, he plays up the conspiracy theories of conservatives to get their business.
