First off, this already happens: every major corporation uses multi-party disk encryption, usually branded as "recovery options" or some such. They keep their p

First off, this already happens: every major corporation uses multi-party disk encryption, usually branded as "recovery options" or some such. They keep their private keys secure. Second off, the FBI is not asking for a special door to every apartment. They are asking a lock manufacturer to create a key and use it to unlock a single lock that is brought to them, after the lock manufacturer explicitly designed their locks to make the creation of such a key possible, so that this legal case would exist. There is an interesting debate to be had here, but this rhetoric using overly simplified analogies is not it.