I blame broadcast media and social media for a lot of the public ignorance/denial Listen to the BBC and most mainstream political podcasts (The Rest is Politics, Newscast, the News Agents etc) on Sturgeon's fall. They are desperate to avoid the topic. There are other issues in Scotland, but the GRR bill was clearly the tipping point for Sturgeon, yet you would never know it, listening to most broadcasters. They grudgingly mention it in passing, then immediately move on.
In the last 6 months, Penny Mordaunt probably lost the Tory leadership contest because of her support for self-ID and NS resigned over it. If there was any other issue that had caused such major ructions, so quickly, the media would be all over it. But I don't think they can quite believe that an issue that 'only' matters to women (in their eyes), can have so much impact, and they can't fit the topic into their simplistic "progressive vs bigots" world view, in which anything LBGTQ is automatically A Good Thing.