I think this is almost 100% born out of fear of liability. From the school side it’s fear that parents will sue them for neglect or injury or any other failure

I think this is almost 100% born out of fear of liability. From the school side it’s fear that parents will sue them for neglect or injury or any other failure. Parents fear that the state will charge them with neglect and take away their children. Compounded by a generation of news over-coverage and fear-generating reporting, you end up with anxious parents desperate to protect their children from anything and everything.