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Wow, that's a pretty huge margin of perfection you're expecting there. Especially considering people do things far more dangerous every day like drive cars and cross the street. Of course someone from the South would be a fucking idiot.


I take it from this you've never been involved in engineering, particular not with devices with Lithium cells?

I worked in PeeCee design years ago and in the late 1980s through early 1990s we had problems with the Lithium primary cells for the clock exploding. Somehow nobody ever got killed, probably because the failure rate was so low, comparable to the "thermal runaway" incidents seen since 2000. But we still spent a lot money over many years on research and redesigning the batteries, chip & motherboards. Finally it was figured out and solved before we had to resort to small armored boxes for that battery...

It's standard practice in product design to worry about incidents this rare if there's a risk of injury or property damage beyond the item in question. Li-poly secondaries don't explode but the flame from a thermal runaway can't be put out, is hot enough to start other fires, and gives off high toxic fumes. Were a notebook battery to go into thermal runaway in your house the house might well burn down if the firefighters didn't hurry.
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