That NLRB page does say that "supervisors who have been discriminated against for refusing to violate the NLRA may be covered", so I wonder if that might apply

That NLRB page does say that "supervisors who have been discriminated against for refusing to violate the NLRA may be covered", so I wonder if that might apply in this case? I suppose there's no way to tell from the outside, but if _I_ were one of those fired managers, I would be looking into it...