I don’t think it’s fair to say we need to accept either options. Yes the crime they are trying to stop is horrific and something must be done, but that doesn’t justify unlimited technological spyware.
And the scope for abuse is so large. People in the UK are getting arrested for retweeting mean memes, it’s pretty easy to imagine Google and Apple added offensive images to their scanning and you get arrested for saving something that goes against the current political agenda.
As well as the case where google locked the account of a parent who had taken photos to send to a medical expert.