I've heard from private school teachers that they expected exactly this to happen, and enrollment in private schools has boomed as parents that could used the schools that cared about staying open (and opened as soon as they could). This was well supported and non-controversial pre-pandemic, where we had research results showing that simply having participation in remote schooling lowers high school graduation rate b…
I don't understand exactly what you're complaining about. Has anyone ignored the cost of closing schools? My impression has always been that everyone has known about the high cost, but, well, millions more dead isn't exactly a small cost either. I mean you may disagree with the choices which were made, but surely you have to recognize that it's a bit more complicated than what you're suggesting?
Prove it. You can't draw wild conclusions like that and get away with it. Hardly any children die from COVID-19, and the ones that do often had extreme comorbidities.