Only if you count him as 1) a politician and 2) if you ignore that he is a European politico, who has spent the last 16 years benefiting from the largesse of the European Union.
Yet, reluctant as I am to give any credit to the snivelling little toad, his actions make perfect sense. Having buggered-up future trade with the EU, moving closer to the USA could be our salvation - but with everything that that entails.
I bet Corbyn wishes he had shown a bit more enthusiasm for the Remain Campaign now.