I disagree - I think that section of the media are too committed now to Johnson, and I can’t see them reverse-ferreting unless there is a massive change of leadership and direction amongst the Tories.
What Labour should do is recognise the common denominator is between all the government slumps in polling (ie: unfairness) and use that as the theme of everything up to the next election starting now.
Brexit? It’s been implemented to benefit them, not you. Changes to social care? That benefits them, not you. Government spending? Benefits them, not you. Spending cuts? They are falling on you, not them. Who is getting richer? Them, much more than you.
It’s all demonstrably true anyway, and we know it winds people up.