Once he has won the leadership, he can use the need to appeal to the wider electorate as cover for adopting a more nuanced stance.
I agree that Starmer is, ostensibly, the least openly anti-women's rights (while still being far too anti-women's rights for me, ta muchly). As I've said, his cards are close to his chest, relatively speaking.
But I think any Labour member who thinks that once Starmer is leader they are going to have anything other than a knock-down-drag-out battle to gain even the slightest nuance in policy in favour of women is charmingly optimistic.
Look at the hard, hard work to achieve the merest sop to single sex provision in the manifesto, and the howls of protest from Labour front benchers about how anti-trans it was.
I want to be wrong. I want a strong Labour party, ready to challenge structural and class inequality, fully cognizant of material reality and leaving behind the purely capitalist and consumerist mindset of Identity Politics.
But I don't even think we're in the foothills...