I'll take an unpopular stance. This is the least bad way a backdoor scan could be implemented. At the very least, this makes retroactive scans of a newly banne

I'll take an unpopular stance. This is the least bad way a backdoor scan could be implemented. At the very least, this makes retroactive scans of a newly banned content difficult without explicit deployment by Apple, and explicit software update from a user. In Western countries, this friction is enough to ensure people will be able to file suit in courts to block the government. In authoritarian governments, it's not, but then, nothing is.