It is also a security loophole. Imagine if 5 hijackers each brought a trained “emotional support” Rottweiler. A trained Rottweiler would be much more dangerous

It is also a security loophole. Imagine if 5 hijackers each brought a trained “emotional support” Rottweiler. A trained Rottweiler would be much more dangerous than the pocket knives that are currently banned.