Instead of extra keys, perhaps describe it as weaker locks. Would you consider the lock to which every cop had a key to be as strong and secure as a regular lock? And look at the USA for an instance of a new regime that can potentially use vast amounts of personal data to persecute and oppress anyone the fascists don’t like. Many people might have (naively) trusted the government with the surveillance Edward Snowden and others revealed, back when they did not perceive the US Government as an immediate threat to ordinary Americans. But the new regime quite clearly is ready to persecute and punish people for their political views, their race, their gender or their sexual orientation, and it now has all that data.