He was always a bellend - unnecessarily abusive and unpleasant, though probably got away with it as it was limited to unionists initially. Eventually, it seeped over elsewhere, which was bound to happen as he became increasingly unhinged and the grift money started drying up.
Russell Brand sprang to mind as he was knee-deep in conspiracy nonsense the last time I happened across him, but he's had a pretty weird life hasn't he? I'd probably go off the rails as well if I was married to Katy Perry and fucked it up tbh.