It has been possible to produce dupes of keys for ages now the old fashioned way. 'Printable' keys is just adding novelty.

More of a concern is bump keys and the fact that Lockwood dominate the industry when they can be opened with 2 paperclips (although you do have to flatten them with a hammer). You can also get lockpicks and pickguns off the internet for under $20 delivered to your house.