Earlier quoted context omitted.
Sure, I don't think anyone denies that there are some home schooling horror stories. But it really doesn't seem like most public schools do a great job either, so the question is if this broken system damages more people than one dominated by home schooling.
We have some insight into the answer to this, because public schooling is (more or less) a replacement for home schooling. Home schooling has an incredible amount of inequality built in to it. Affluent parents can hire instructors. Poor parents may not even be able to meet their children’s basic schooling needs, if it weren’t for public schools. Obviously there’s a lot of middle ground between those two extremes, and…
Imagine your school district has banned teaching algebra to 8th graders, for reasons of equity. You're upset at this, since you have a child about to attend 8th grade. You go to a school board meeting, express yourself, and are at best ignored or more likely called names. What, from the perspective of a parent with a child who needs an education, do you then do? Fixing the system would be nice and all, but how do you do that before your kid becomes an adult, let alone make up for all the damage public schooling has been doing in the meantime?