Thinking of past notable Goliaths: Ma Bell has been reconstituting herself from the split apart companies, IBM and GE are… alive, and Edison Illuminating Company and Carnegie Steel are alive in successor companies.
What does teach how to use AI mean for grade schoolers? It’s a search engine for those purposes, the lesson is a blend of the Google and Wikipedia lessons.
I didn't take the SATs in the 80s but in 00s I don't remember any of the concepts translating well to understanding calculus or statistics and I scored well enough it gave me a free ride to college (well that was the PSAT but it was in line with my SAT score). If they wanted to test that they should have tailored an exam similar to my college when assessing my math capability.
I can't find many details, but I had heard Hayden's name before, he sadly died of suicide after losing his partner in an avalanche ( https://en.wikipedia.org/wiki/Hayden_Kennedy_(climber) ). Jason Kruk appears to still be climbing to this day, so neither appeared to wind up in significant legal trouble after rightly or wrongly damaging a tourist destination.
Any war that has the USD no longer be accepted has significant existential risk, and besides if things devolve that much you should be worrying about any entity holding the gold for you or someone killing you for the gold you personally hold.