Since when have only the far left (or right for that matter) had a monopoly on having "principles and beliefs"? I have moderate centre-left principles and beliefs, which I hold strongly. Those things are not contradictory, believe it or not.
He's the new Michael Foot. The Tories will be popping even more champagne corks than normal if Labour choose Corbyn.
I'm an Andy Burnham man myself - not perfect but none of them ever are.