Who started “Microsoft Recall backlash”?

Elon Musk, on X, May 20, 2024. It reached 5 platforms in 12 months.

LineageContestedKey steps, 9 of 16. Lines follow time and platform
Elon MuskFirst postLinus SebastianYouTubeBBCPressPlatform jumpPressBacklashMilestoneOwner responseAfterlifePatient zero