People who want to homeschool will homeschool regardless of what a film critic says. And the stereotypes will persist regardless of what a film critic says or doesn’t say.
Homeschooling became “legal” only in the past 30 years. Before that, homeschoolers were harassed and even sent to jail by overzealous courts and social workers.
Homeschoolers do not take their victories over the public school blob lightly - we know what they cost in family trauma to secure.