https://www.telegraph.co.uk/politics/2019/07/11/time-different-anti-semitism-could-finally-sink-labour/
The crisis may now cost Labour significant votes
What is left to be said about Labour and anti-Semitism? The moment when a reconciliation could be effected by the party’s present leadership passed long ago. The majority of British Jewish community organisations and the leadership of Labour’s own affiliate, the Jewish Labour Movement, believe that Jeremy Corbyn is at best a facilitator of anti-Semitism and at worst an anti-Semite himself. According to the pollster Survation, which accurately predicted the result of the 2017 election, 86 per cent of British Jews believe that the Labour leader is anti-Semitic.
There is division over exactly when the point of no return was reached. For some it was Corbyn’s defence of an anti- Semitic mural, for others it was his comment that two British Zionists had “no sense of irony”, for a few it was the repeated indulgence of Chris Williamson. But they are united on the important fact, which is that the moment of redemption has been and gone.
As far as the struggle for power in the United Kingdom as a whole is concerned, the lesson of both the recent and the distant past, is that the row doesn’t really matter. The history of race relations is that majorities tend not to consider the fears of minorities when they cast their votes. Outside of the handful of constituencies where Britain’s Jews gather in significant numbers, there is no evidence that Labour’s anti-Semitism problem cost the party electorally in the 2017 election.