Milne was the primary theorist and anchor of Team Corbyn. Zarb-Cousin said that if ‘Jez is the marksman upfront, Seumas is like the Tony Adams, the sweeper’. One of the most divisive figures in politics, the former Guardian columnist had voiced sympathy with both Soviet and Putin’s Russia, and was regarded by many MPs as an anguine figure, whose preternatural calm shrouded aggressively left-wing views.