I think their intent is not so much to make criminals not use it, but have companies use backdoored encryption, so they can get Apple's keys to a device with a

I think their intent is not so much to make criminals not use it, but have companies use backdoored encryption, so they can get Apple's keys to a device with a warrant. The problem remains that they constantly abuse their power and are able to even circumvent the warrant part once they know that those keys exist.