You phrased it a bit too harshly to be constructive, but that’s basically the way.

OP you don’t have to ditch it all at once. Just make yourself familiar with FOSS alternatives to these apps and once you’re content using those it will be easier to ditch the proprietary ones.

Only on a very superficial level. Very different situation under a very different constitution.

‘Both got appointed by the president’ is comparing apples and oranges. That is in no way meant as a defense for Musk, but the argument is very weak and I’d prefer if we criticized him from a more solid basis.