As someone who to some degree falls in the category you describe, I'd say you are potentially misunderstanding the argument. I certainly wouldn't argue that sp

As someone who to some degree falls in the category you describe, I'd say you are potentially misunderstanding the argument. I certainly wouldn't argue that spending time in a public school math class correlates negatively with math learning. I have no doubt that some math education takes place in public school math classes. I think the argument is that it doesn't do a great job teaching most students most of the time while simultaneously having serious issues like requiring young children to sit still for extended stretches and punishing kids who aren't well suited to this. I'm not saying that's the whole argument, just an example