I canvassed for Labour during the run-up to the election and I lost count of the number of former Labour voters who told me they'd consider returning when someone like Tony Blair, someone they deemed 'sensible' and not dogmatically ideological, was running the party. Blair does seem to understand people in a way that Corbyn and Momentum don't.
www.theguardian.com/politics/2020/feb/20/tony-blair-only-a-complete-renewal-of-labour-will-do