[ObviousScience]

You're not obligated to make the lock unlockable for them, though.

The government can probably break many consumer-grade encryption schemes if they so choose to as well, but much like having to break in to your house through your locks instead of merely unlocking them, it raises the cost of law-enforcement doing so, and incentivizes them to make more restrained choices (eg, not taking literally everything they can get their hands on).