While fraud and deception is probably on the rise, it's very important to recognize that the "evil" they are referring to comes from people (not companies) and that it's always been this way. We all have the potential to violate our own ethical standards and the temptation rise and fall with circumstances beyond our control. Keep a cool head, expand your understanding of the relationship between your job and the supposed evil, and do your best to expose it without hurting your reputation. The idea that one can job hop their way to promised land is not helping the situation.
Most of the negative attitude about this article seems to come from people who weren't raised to appreciate art. It's obvious from all the rebuttals that focus on petty semantics over substance.
But hallmarks of authoritarianism are censorship, centralized power, collusion of private and public sectors.
If by authoritarian you mean he is mean to crybabies in his own company, you might read up on how actual authoritarians have gained power throughout history (hint: they get the crybabies on their side)
Clearly, Musk got into the Twitter business to reduce authoritarian tendencies exhibited by former staff.