Because it’s promoted by politicians.

All surgery is mutilation. That’s what the word means. Sometimes surgery is necessary. But it’s always traumatic for the body. And it’s usually impossible to reverse and is inherently risky. So needs to be taken seriously. https://twitter.com/katymontgomerie/status/1246602560049483779

It is without doubt now a political ideology. Further confirmation from the judgment of Mr Justice Knowles that Harry Miller’s speech was protected as political speech.