Here is what we know:
1. They knew or at least many at the top knew that covid jabs would not stop transmission.
2. Children had extremely low risk when it comes to covid itself
3. Parents in the center and left are scared and good with masking at school
4. Right wingers would be upset about masking at school, even in the email he was snarky about it.
5. Email was solely about reactions to policy, nothing about medical
Looking at these facts, the only explanation for masking in schools was to
1. Control the population
2. Anger the right
3. Instill fear long enough that the parents will come around and jab their kids