Lion batteries have flames without explosions because of design considerations with the batteries: vent holes that allow pressure and heat to escape a failing battery. It’s possible that if those safeguards were compromised, you could trigger an actual explosion.

Sure, no one is saying that. The point is that it doesn’t send anything other than the stuff after the keywords back to company servers.

There’s also the matter of there being literally hundreds of security and privacy researchers who would love nothing more than to catch Amazon doing this, and no one has in any major way.

Protonmail is encrypted and they literally cannot decrypt to record your data.