Why would women prisoners reveal their true feelings about men in women's prisons when you make it very clear that you don't care about it or acknowledge that it's a problem?
Many of us have had to self censure to protect ourselves from vilification, employment issues and social consequences. Women prisoners are already incredibly vulnerable, it would be awful for them to lose the support of an (otherwise) valuable ally in you in order to raise this point when you make it clear where you stand.
As pp have raised earlier. Hopefully the relatively 'miniscule' number of transwomen in prisons means that this is only a conceptual problem to many prisoners rather then a live issue and it's easy to believe that the women in this position would prioritise other more immediate issues.
I'm curious though, if you have spoken to women who actual live/share space with transwomen prisoners? Or only those (hopefully many) who have never had to deal with this and aren't imagining a large hairy murderer or sex offender sharing the showers with them.
We know that several (we don't know how many) women have been sexually assaulted in prison by transwomen. They have been to court over it and at the time got a shrug basically. What would you say to those women if you came across them in your volunteer work?
Would you tell them to focused on other things because it's such a tiny problem? Would you tell them they should have been more worried about prison guards?
Or would you tell them that the men who raped them were actually women and they should stop saying such awful things about the poor dears.