Labour’s key mission is to demonstrate to the stakeholders that it is not in any way a party of the left or of actual labour (except perhaps in the US ALEC-state right-to-work sense), so they are committed to prosecuting Tory culture wars to the maximum extent possible to leave no room for ambiguity. See also: their anti-transgender laws, selling NHS patients’ data to Peter Thiel, and the very existence of Wes Streeting as a politician.