NS,
I've read the first page of the thread, but not all of it. The guardian article does mention Stonewall but not much. I am concerned that this is from the article Sound like LGB are starting a Terf war to me ('think of the /children/).
Not a war - just concern that many organisations seem to be unaware that Equality legislation allows them to bar people self-identifying as women from having access to single-sex spaces based on similar reasons as to why biological men are barred from female single-sex spaces - even though most men are not considered criminals.
The concern about men who identify as women having access to female single sex spaces could be based on this report
https://committees.parliament.uk/writtenevidence/18973/pdf/ presented to House of Commons Women & Equality Select Committee on the high sex offence rates amongst male prisoners who identify as trans.
A study between 1973-2003 includes Ministry Of Justice stats that show a high proportion of sex offenders - 76 of the 129 male-born prisoners identifying as transgender (not counting any with GRCs) have at least 1 conviction of sexual offence. This includes 36 convictions for rape and 10 for attempted rape. These are clearly male type crimes (rape is defined as penetration with a penis).
Sex Offence Rates76 sex offenders out of 129 transwomen = 58.9%
125 sex offenders out of 3812 women in prison = 3.3%
13234 sex offenders out of 78781 men in prison = 16.8%