They didn't answer much of the "What if," though... Am just imagining the massive financial losses taken by so many, and if a bailout becomes necessary, because too-big-to-fail now means Microsoft, Google, Facebook et al since we transferred so much of financial engineering economics onto them since '08.
Those three companies have products outside AI and won't die quickly. The ones that will collapse are betting exclusively on improvements in AI. It will be fun to watch the VC money burn.
Last time I've checked each of these companies were still hugely profitable. So it's not going to be your average FANG in trouble here, but rather VCs and others who've jumped onto the AI-craze