I was a teen in the 1960's. Even in the suburbs, designer clothes and twerking hadn't shown up yet. The world has changed, it is what it is, but I can't help thinking when I see the "cuties" on California streets, they've missed years of growing up and have become something they can't understand. If it's fun, more power to them.
As for the outrage, you're spot on, the film is an honest sharing of the woman's life experience and in no way meant to exploit. I guess Netflix may have been a little enthusiastic about the the marketing. Thanks for reminding me to watch it.
Added September 17th, 2020
It just occurred to me, that a viewer couldn’t really understand the conflict between a young girl’s Muslim upbringing and the ubiquitous social media-fueled peer pressure without having lived in, not just visited or read about France. The only other way, which I believe the author was hoping for, was a gift for abstraction and an openness towards understanding that there are many ways people experience the world.