Problem with this sort of analysis is Corbyn ascended to the leadership because he was seen as the most willing to defend Blair-era gains on welfare https://twitter.com/mrianleslie/status/1245626306311507969

There is a point to be made about Labour seeking to distance itself, particularly rhetorically, from the previous government in a way that was neither necessary nor helpful, but, as with so many things, it’s more complicated than that