A good point. Maybe it just shows a.) how much of what we are required to do is security theater b.) that it does not reliably work in making an uncontrollable

A good point. Maybe it just shows a.) how much of what we are required to do is security theater b.) that it does not reliably work in making an uncontrollable fire so that is why it is not used as instrument of terror. I've accidentally opened a couple of batteries while repairing phones and they did not burst into flames, though I remember furiously googling and putting them in a bucket of water outside after a minute or two.