As in, if we just look at smartphone usage and its negative impacts on mental health through the blanket swath of boys' and girls' experiences, you miss this whole important dimension of how, when, & where smartphones get used in diverse contexts. I also think both the book & the podcast missed...

... some of the paradoxes that are happening in school contexts here. Schools want to ban smartphones, but are also uncritically adopting mountains of edtech that rely critically on students' usage of smartphones. If a school adopts any kind of textbook courseware, you bet a mobile app is essential.