It would destroy a nascent financial system that would empower billions of people in the world. You are basically saying: a baby dying in their cradle wouldn't generate as much impact as a harvard professor dying. Well, it wouldn't, but if that child would have been the next Newton or Einstein, the world is still significantly poorer for it.
I’m familiar with the sales literature, yes. Going on a decade and a half of those claims falling flat, however, I think it’s far more likely that Bitcoin’s future is El Salvador rather than the golden vision of the advertisements.
What makes you say those claims are falling flat? Nigerians are heavily using Bitcoin and the LN for financial privileges. Check some of Alex Gladstein's (CSO at Human Rights Foundation) articles.
If Bitcoin stopped tomorrow, nobody other than speculators would notice it except as a funny story in the news.