I think there are 2 separate if related issues.
One of which is that in response to the Supreme Court ruling and the Interim Guidelines, various articles have implied that disabled toilets could be co-opted to be the "gender neutral" option for trans people who cant use the toilets of their "identity" and wont use the toilets of their sex.
Clearly they shouldn't and providers need to ensure there are single sex toilets, disabled toilets, and gender neutral toilets.
I dont the think problem of men trying on dresses is the cause of the other problem which is all too often for any number of reasons, disabled toilets become the default "solution" with what is the lack of sufficient women's toilets, and as well as the number of toilets that are out of order.
An out patient department I go to fairly regularly (where you are lucky to be seen within 2 more likely 3 hours of your booked time) has only 3 seperate single toilets. Male, female and disabled. More often than not the only working toilet is the disabled one.
Equally, when there are queues for the "ladies" at events etc., many women become desparate and use the disabled toilet, rather than for instance going into the "gents".
Or as happened to my mother, then in a wheel chair, who was literally pushed out of the way by a women with 2 children saying they should take priority and she barged into the disabled toilet with the 2 children for what seems hours. As it happened, but it could very well not have happened, my mother managed the long wait without accident. And I am afraid to say that when the women did eventually emerge with her 2 children she made not attempt to apologise or even acknowledge my mother at all.
Maybe I should start an AIBU thread and see it any mumsnetters admit to something this.
I dont have a problem with what might seem the fact that disable toilets are "under used" any more than I have a problem with seeing unused disabled parking spaces at supermarkets etc..
These are provided because whenever it might be someone will need it. And other people who dont need specialised provision shouldn't then think they aren't really necessary.
By and large, the lack of appropriate toilets facilities, is a huge problem.
There was a thread some time ago on FWR about how many women, for various reasons, are effectively as much on the loo leash as Victorian women.