I know it's fun to hate on the big tech companies recently and act like they are bullies (and indeed in many ways they are), but this is a bad example of that. Most companies I know of would outright fire you if you, against explicit company policy, went to the press and started badmouthing your employer. The fact that Amazon only gave her a warning is the only surprising thing in this article.
My sympathies end when you get exactly what you were asking for from your employer in a negotiation and you continue bad mouth them to the press.
Appeals to authority all the way down.
Sometimes, any strategy does become appropriate and justified if you haven't yet achieved the changes you want, depending on the issue at hand. At some point, being reasonable may no longer be an effective strategy.
Don't trust internet randos, of course, but I preach what I practice and it has served me well in life.