1) The devices are useful. 2) The chances of a mishap like this happening to a single user are very very small. 3) Even if a mishap like this occurs, the chan

1) The devices are useful. 2) The chances of a mishap like this happening to a single user are very very small. 3) Even if a mishap like this occurs, the chances of it causing meaningful harm for most people are small. The fact that you are baffled by this phenomenon says a lot more about you than it does about users of these products.