Somehow I thought that this was a thing already, but isn't this the age when children are starting to learn (in their own way) the difference between boys and girls? They're never going to learn with a curriculum like this. 
www.foxnews.com

Kindergarten 'social science' curriculum in Oregon district instructs 4-year-olds on neo-pronouns | Fox News
The school district listed two optional books that talk about pronouns for teachers to share with their students