I may be mistaken but Center for Humane Technology which compiled the "Ledger of harms" is an umbrella for critical thought on digital tech whose members includ

I may be mistaken but Center for Humane Technology which compiled the "Ledger of harms" is an umbrella for critical thought on digital tech whose members include folk like Roger McNamee, Cal Newport, Jonathan Haidt, Max Stossel, Tristan Harris and others. Actually it would be fairer to call it Harris' site (since he is the "president" of it)