> “Firing/resigning” which is it, two different events there.

Which of those is the case is hotly debated. The legal concept of “constructive termination” recognizes that detailed inquiry into the history leading up to the end of employment may be necessary to distinguish those two things, and in this case its even debated whether it was firing or resignation in the superficial sense, as well as being debated as to whether it was constructive termination even if superficially resignation.