Why do you say he is a "political casualty"? If it were just politics Trump would have already fired him. My take is he was fired for incompetence and it would not have mattered about his politics. He did too many stupid things to stay on.
I don’t disagree with your point; however, Comey was an appointed political figure.
I don't think it was incompetence. I think it was treason.
Comey's been actively involved in the more than just protecting Hillary... he helped Obama spy on Trump by accepting that stupid "dossier" from McCain and using it to start the "investigation" that initially was supposed to arm Obama with something to stop Trump from winning. That failed, so Obama, Comey, et al doubled down and then tried to use the Russian story to terminate Trump's presidency.
Comey should go to prison.