This implies that governments didn’t already have this ability, which appears to be largely untrue? To my understanding, many countries already had emergency messaging systems, and mobile integrations are just a way of modernizing them.

(It seems exceedingly good that the government can warn every civilian about natural disasters, etc.)

These aren't from Google or Apple, they're from the wireless providers: https://en.wikipedia.org/wiki/Cell_Broadcast

This is not related to Google or Apple. And this extreme alert, it's sent even to cable TV automatically. In a few countries, it's sent even on Fax lines.

If you say so. In the meantime I’ll continue to appreciate the occasional tornado warning.

Where do AI-based military target selection systems fit in your ranking?