Comment by AdamN

Isn't this already effectively the case - not just in the US but universally? If the government 'lawfully' requests access to investigate a crime, there are only a few carveouts that are available to dispute the request (journalists with 1st amendment privileges, etc...). That's why Apple and others just architect so they do not have visibility into much of the data - so the answer is 'no' not because they're declining the request but 'no' because they have no path to get the data (because they designed it that way).