Discussing a constitutional process - and determining that it was very unlikely - is hardly a “coup.” If they had discussed maybe how to pressure cabinet members to do it or something, then maybe you’d have a point. But they didn’t. Not close.
Try as you might, history will record that the career professionals in the FBI were so terrified about Trump’s incompetence and his disloyalty to the country that they discussed if there was anything that could save us all.