From a consumer rights and environmental standpoint I agree. But it's important that only the actual owner of the device can do this, and not just the person in

From a consumer rights and environmental standpoint I agree. But it's important that only the actual owner of the device can do this, and not just the person in possession of the device. You don't want to make stolen devices be anything but paperweights. But so long as I (the owner) select the passphrase for unlocking it I don't see a problem.