Fired for any reason is “at will employment” you can leave for any reason but also we can fire you for anything that isn’t protected.
“Right to work” is even worse than that, it means that you get all the benefits the union faught and clawed for without having to pay dues. As in you have a “right to work” without any pesky interference between you as an individual and the multimillion dollar company
Making them deal with the linguistic juggling of the Fey is how to have fun with rules lawyer players