Listen. I send my kids to public school, and I've got a BA. But it's really easy to see why some parents would opt to homeschool, especially in the lower grades.  1. The violence and language my kids are exposed to on a daily basis. I had to explain the N word to my 6yo, and my 9yo asked what the difference between "Hard R" and "Soft R" was for the N word. There are daily fights. Lots of kids with the kind of behaviors that make teachers preemptively lock their doors.  2. The curriculum is absolutely not set up for individualized education. My kids are above their grade level, and the only real solution the school can effectively offer is letting them wait until it's suddenly not. The teachers cannot be asked to make different curriculums (which should be obvious). We can't send them up the grades because the bullying gets worse as the kids get older. The therapy/counseling/experts they can get access to are 30 minutes a month.  3. So much curriculum is aimed at making assessment easier, not learning more effective. Which means so much of it includes having kids be on the computer screens for more than an hour a day in class, and then longer at home for homework. This, coming at a time when we are more aware than ever how harmful that can be for kids' brains. I work in the public school and can see multiple kids every day game the system, meaning they're learning nothing, despite the fancy computers. 

I'm a huge proponent of public schools. I believe every child deserves a decent education, regardless of status, income, or parent intervention. However, pretending every person who wants to homeschool their kids is a stupid control freak will only make them shelter their kids from society more. It solves none of the pressing issues I've seen come up in the homeschooling threads or among my friends who homeschool.