Earlier quoted context omitted.
Amazon has nearly a million employees. The gist of your comment is valid, but firing two people (or even two hundred people) out of a million doesn't even come close to meaning that they have an antagonistic relationship with its workforce in general.
Normally tech employers don't fire people for complaining about company policies, and it's almost always news when they do. A general sense of shared cause and cameraderie is part of the way the industry is "supposed" to work, and part of that is a culture of reasonably open discussion of this stuff. But Amazon can't have that now, because the only resolution that they can see here is either victory or complete capit…
Normally, tech employers don't have many hundreds of thousands of employees. You'll always be able to find anecdotes to support any narrative you want when you're looking at that big of a workforce.