I've said it before and I'll say it again. Sex "education" is grooming.
Ezra explains it very carefully and thoroughly.
Normal people do not concern themselves with sexual issues and children.
Normal people do not sexualize children or spend their time thinking of ways to share sexual information with children. That is not normal.
Be very wary of anyone who is an "expert" in sex "education", especially "for the children".
And keep them the hell away from children.