Have you only read the Interpretation on page 1?
Page 14 is much more informative...
-> Compositional Whole
-> Balance
-> Wider Holistic Approach
-> 24h-model of movement behaviours
(not only eye movement on a tiny screen)
-> In-Tandem Consideration
(of both in-school and outside of school)
"In the design of new guidelines and interventions, phone and media use could be approached as part of a ‘compositional whole’, whereby phone/media time guidance focuses on obtaining the ‘right balance’ be-tween time spent on devices and other daily lifestyle behaviours. "