Labour's head of research claimed voters were confused about “what we stand for, and what our purpose is, but also who we represent”.
The leaked report in the Guardian earlier this week also urged Labour to “make use of the flag, veterans and dressing smartly” as part of a rebranding to win back “red wall” voters who switched to Conservatives in 2019.
The strategy document recommends that the party should deploy patriotic themes to give voters a "sense of authentic values alignment".
A withering op-ed in the New Statesman this week questioned whether Sir Keir was still "up to the job" as Labour leader.