Who is promoting transgenderism?

Well, one indisputable proponent is California State Senator Scott Wiener.

Hear a very brave young woman, Layla Jane, speak about the harm the transgender ideology had on her:

https://youtu.be/RPR9ldoaQj4

And yes, she is specifically speaking to and referencing Scott Wiener, opposing a bill he sponsored.

For another person's view on this, read

https://substack.com/@susanscheid/note/c-230761470?r=3fzt75