Earlier quoted context omitted.
The thing is, with current 'privacy-protecting scanner' designs, the scanner is running on every end users device, and it would be fairly simple for an expert to dump out the list of things being looked for. That in turn makes such a system far less useful to intelligence services and authoritarian regimes. You don't want to tell your target that you're looking for them and which keywords not to use! I wonder if this…
The EU is constantly pushing to backdoor encryption and allow them unfettered access to communication in flight. Local CSAM is just a stepping stone.
IMO, the politicians just want more authority and power. The GDPR gives them power to sue and fine large companies, ie, free money. I don't think it's about privacy any more than encryption backdoors are about fighting crime or photo scanning is about protecting children.