And it is precisely the point -- JC (and hopeless McDonnell) were rolling over and promising to "root out" antisemitism in the party which didn't exist, and Corbyn himself was involved in the betrayal and abandonment of Jackie Walker, Marc Wadsworth, Gavin Williamson, Ken Livingstone, Tony Greenstein and dozens more. Did he ever stand up and defend them? No.
And as for even Mick Lynch being worn down eventually with media smears -- yes, possibly. BUT he's putting up a bloody good and honourable fight (and doing it brilliantly) for the things he believes in, which is more than Corbyn ever did. If Corbyn had acted as Mick Lynch is doing I would have had no complaints against him.
This isn't "churlish and unpleasant criticism" JM -- and I speak as someone who went to hear JC at several rallies in Manchester, Blackpool and elsewhere. It's a sense of investing your hopes and dreams in someone who didn't have the strength of character, integrity and purpose to fulfil the promise he was offering. Imagine having such a slippery back-stabbing character as Keir Starmer on your front bench! There's judgement for you.