Not to derail, but I think you're conflating "right to work" with "at-will employment" here - you're describing at-will, where the employee/employer relationship can be severed by either party at any time for any reason.
"Right to work" is a union-busting concept: regardless of collective bargaining agreements an individual has the right to their employment, whether or not they pay dues to a union.
Just wanted to correct a common mistake I see made often in these discussions.