I was very cynical about Corbyn first and then was disgusted with him as I knew he would give false hope to many comrades who would then spend a decade in the dead end of parliamentary politics.
Having said, that along the way there was the chance of a recalibration happening. A sense that neoliberal centrism might not be the only game in town. That old fashioned ideas about solidarity and community might come back into vogue.
Even on his own terms, the supposedly "crazy" ideas of free broadband, a properly funded NHS and bringing the big energy companies into public ownership - all proved quite prophetic.