Artaxerxes
Look out, he's got a gnu!
No-one was excited by the program it offered, bar a few activists. Of course no-one is an exaggeration. I'm sure you can find some. The ability to construct an appealing vision of the future was severely hampered by nostalgia for 70s social democracy.
Research suggests the majority of Corbyns policies were between 50 and 70% popular when stripped of the name Corbyn and Labour
It suggests the problem is not so much with either Corbyn or Labour but one of marketing and reporting