I stand beside you and her.
Free speech is about unpopular words.
This has nothing to do with free speech. Are you going to talk about abortion in front of 6 year olds?
Are you going to talk about immigration in front of 6 year olds?
The teacher should have voiced her complaints to adults, and she should have kept quiet in the classroom in front of the kids. Period.
She was wrong!!!!
To put it bluntly, no one forced her to take the job. If she didn't want to do the poem, she could have stopped working.