"None of the antisemitism identified within Labour have just been criticism of Israel."
No antisemitism has been "identified" in the Labour party - it has been alluded to.
Until it is described and apportioned, it will remain the unsubstantiated accusation it is at present.
"Again, no-one here would disagree that point, so why make it?"
Because it is the crux of this argument
Will is quite right.
The Israelis have described all questioning of its political policies in regard to expansionism and Gaza as Antsemitism - it has even applied this to Israeli citizens and Jews living outside Israel