As others in the comments have pointed out, children in the U.S. are not being offered gender-confirming surgery or other irreversible medical treatments. And the transphobic talking point that "social contagion" can cause changes in gender identity has been thoroughly debunked. Julia Serano has written on this and related topics:

https://juliaserano.medium.com/all-the-evidence-against-transgender-social-contagion-f82fbda9c5d4