Loach was referring to the Enough is Enough protest (attended by about 30 Labour MPs) in Parliament Square, London on 26 March 2018 in response to the antisemitism crisis in the Labour Party. Loach told the Daily Mail his earlier quotes "do not reflect my position", but plans for Loach to make further Labour Party party political broadcasts were abandoned.
More quotes by Ken Loach
Maybe if we tell the truth about the past, we can tell the truth about the present.
You can't treat mental health on an assembly line, which is the way it is now organised.
Attribution
Quote text and notes from Wikiquote: Ken Loach (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.