I think Dawn has had a fair bit of abuse herself for even meeting with women (which is just so hateful of course).
I think in Dawn's mind she can avoid the abuse by not meeting with women again. Labour logic.
I'm not sure that Dawn has considered that when all this goes tits up in the Labour Party, she is the one that is in the line of fire.
Corbyn has said nothing about self-ID for ages and will say he trusted the women in the party and particularly the female Shadow Women and Equalities Minister Dawn Butler to get it right. Poor old Dawn will have to fall on her sword.
I don't think Dawn Butler is really clever enough to see that coming.