Earlier quoted context omitted.
I agree wholeheartedly with all three of your points. I disagree strongly with one of his positions (I don't think we should be opening schools while the rest of us are locked down), but I too find it very, very encouraging to have a public official obviously using his brain and being honest about the fact that nobody really knows the right answer. And especially in the context about the use of power, the acknowledge…
Places like UK did a hard lockdown for 6 weeks and kept schools open. It completely worked. Yes, kids can transmit the virus, but it appears that as long as the ADULTS limit their interaction with other adults, kids have only a limited way of encountering infections.
There is a major complaint here against the lockdowns. They have positive and negative outcomes and there is very little evidence that the two sides have been weighed against each other. The scale of the damage done by our response is too great to accept best effort attempts to control the disease. The standard of the response needs to be excellence, not competence.
We also can't discount the possibility that there were easier, less invasive measures than lockdowns that captured a lot of the benefit without the costs. It has been a chaotic year but there is no natural law that says every time there is a pandemic the only option is to scuttle the economic ship.