The data it collects is purely from Google’s ad services. Removing ads removed all data collection as well from what other users with duck duck go were measuring.

I take slight issue with your phrasing. “Extreme feminism” isn’t an issue, that’s like saying extreme racial equality is an issue. Feminism isn’t about female superiority, it’s about gender equality. The movie does not criticize extreme feminism, it criticizes chauvinism, whether male or female.