Agree.
I think every camera manufacturer should implement auto blur on photos (legislate it). Then an opt-in system unblurs the faces of the people that approve.
(Or just replace the faces with AI random faces instead of blur)
Point being, society has fallen into an opt-out system naturally - But I don't think there is good reason for it to be a necessary thing for the common good. I want privacy, and the tech is there to do it.
Manufacturers are meddling with raw images for proof of non-tampering, and if the horse has bolted there then I want my proposal above folded in at the same level.