Another excellent column by Gordon Campbell, from a couple of weeks ago, on the crusade against social media use by under-16s.
Campbell looks beyond the obvious privacy risks created by enforcing age limits, to the corporate conservative roots of the policy's Australian variant (particularly Rupert Murdoch's role in it). He mentions the way it violates teens' human rights, and limits their access to peer support;
https://www.scoop.co.nz/stories/HL2505/S00025/on-the-parental-panic-over-young-kids-online.htm