“The polling data was clear and voluminous on this point long before the election. Corbyn is the most unpopular opposition leader since records began. And though we may not like it, we know that voters’ assessment of the party leaders plays a huge part in their decision.
Labour knew it and Corbyn knew it. Those appalling numbers were not state secrets.”
theguardian.com/commentisfree/2019/dec/13/corbynism-labour-left-party