She can be a victim and still subsequently act in breach of her contract (acknowledging that the contract must be legal).
> Tesla added that Vandermeyden had been granted numerous positions “over other more qualified candidates” and was “given special treatment and opportunities for advancement that were unwarranted based on her qualifications”.
If that's true, they are admitting to sexual discrimination and opening themselves up to further lawsuits.
Usually not, but only because things rarely progress to the point of a lawsuit for the kind of thing where such a firing would be illegal retaliation without the employment ending before the suit (allowing illegal termination—whether direct or constructive—to be included in the lawsuit claims.)