* You're suddenly under governmental orders not to disclose X. You remove a canary that says not-X, effectively disclosing X, and this was obviously your exact and pre-meditated intent. You then have to find a lawyer who will help you argue to a judge and other officials that you're in the clear with this loophole.
* You have a canary that says not-X, as an assurance to some other party. X happens, but you're also told at the same time that the folk wisdom you heard on the Internet about canaries will not protect you. So you don't remove the canary. Now your canary is falsely assuring that other party, betraying whatever trust they put in you, perhaps to their detriment.
* You're suddenly under governmental orders not to disclose X. You remove a canary that says not-X, effectively disclosing X, and this was obviously your exact and pre-meditated intent. You then have to find a lawyer who will help you argue to a judge and other officials that you're in the clear with this loophole.
* You have a canary that says not-X, as an assurance to some other party. X happens, but you're also told at the same time that the folk wisdom you heard on the Internet about canaries will not protect you. So you don't remove the canary. Now your canary is falsely assuring that other party, betraying whatever trust they put in you, perhaps to their detriment.