It explicitly harks back to their racist “white people are being attacked” mantra from their crusade against teach the history of America, and then simply attacks teaching kids about anything that is not cis-gendered and heteronormative.
Even their cherry-picked to rile up the homophobic and transphobic core of the GOP don’t seem to be wrong or “adult” to me?
So anyway, the source material is the actual curricula. 277 pages of it, all approved for use with 5-8 year olds.