Okay, you asked for our opinions, here’s mine. Can you not see it’s not the vision that was wrong, it was the failure to convince people that it was remotely deliverable, and the sitting on the fence over Brexit, terrorism, extremism, lack of leadership, failure to manage the party, ineptitude in debate, etc. etc. reinforced that it couldn’t be delivered. The leadership had no credibility, and I mean the shadow cabinet not just Corbyn. The Old Labour war is lost, and millions demonstrated that by not voting for the party. I’ll answer my own question - no you can’t see it, but there it is nonetheless.
There’s no point in engaging in further pointless arguments with the few of you who try in every debate about Labour to take the moral high ground, because you don’t own it - to achieve your vision what counts most is taking voters with you, and it was a catastrophic failure.