Losing his head would be sitting back and waiting for 2022, he has stood up to be counted, so called stalwart remainers have run and hid when it matters. Electorate will judge them for U-turn.
Its the centre ground that's deluded, it's pandered and turned a blind eye to capitalism worst excesses and continues to do so, unable control the beast the centre ground has nutrued. As all wild free beasts Capitalism has turned and bit the hand that feeds it, an inate response...
Unfortunately Corbyn's particular brand of socialism is not the answer.