If you want to block children from the entire internet, that's certainly a goal. It doesn't match with the claim that specifically social apps with toxic algorithms should be restricted.
Increasing since 2000, when the iPhone was released in 2007 and Facebook (to non-US-Colleges) in 2006? It's almost like depression is related to something else, like growing up in a world where the previous generation has done a grab-and-run and left little hope in their wake.