What I find concerning is most people here would have seen expanded seams on a phone or laptop and known about the "puffy" battery within. The rate of prolifer

What I find concerning is most people here would have seen expanded seams on a phone or laptop and known about the "puffy" battery within. The rate of proliferation of gadgets with such batteries is crazy. So much of society already has so many of these little flashpoints in phones, tablets, toothbrushes, kids toys (electric scooter anyone?) - statistically your concerns are already valid without anyone being an electronics hobbyist.