Could it not be that at least 50% of Corbyn's 'success' was due to the Bullingdon Club members and the Eton set showing TM who is really in charge of the Tory party?

Perhaps they didn't expect things to go quite so badly for her, but she had the same 'eyes in the headlights' look in her face towards the end of the campaign that David Davies had towards the end of his leadership battle with David Cameron. I imagine both had been told what was going to happen.