FWR is openly hostile to anyone who even slightly resembles a trans advocate.
You get troll hunted, insulted, undermined, name called, sniped at and literally told to leave and that you are not welcome.
The longer you persist in trying to be present in the discussion the more the attacks are ramped up. If that doesn’t see you off, you get the ignore treatment, or recipes, or grey rock.
Bollocks.
The grey rocking and recipe thing (which I don't partake in but have seen) comes from seeing TRAs on Twitter announcing that they have 'been on Mumsnet' and then screenshotting stuff totally out of context, or worse, writing something transphobic and then screenshotting that on Twitter as proof that MN is so 'transphobic'. Or someone like Stephanie Hayden coming on and massively gaslighting. This has happened quite a lot, so some posters are understandably wary and a bit hostile to very obvious trolling.
However I, and many other posters, have spent literally hours and hours debating this issue with people who have a different viewpoint. I have done this without accusing anyone of being a troll or calling them names.
Some posters have spent a long time collating links, articles and evidence with which to back up their arguments and use them in debates. They do this because they feel that this is an important issue and are trying to bring it to a wider audience, which they have pretty successfully done.