If you can't make decisions at a macro level, you can still choose how you react at a personal level.
(That doesn't mean you're responsible for a shit hand at cards, or a corrupt dealer, or a table of people who don't care. It just means you can pick which if any cards you play, which direction you flip the table, or whether you leave the game to go draw landscapes in sand.)
"Gone" as in unrecognisable, yes. "Gone" as in societal collapse in multiple fields, maybe not. I'm not a historian, but I wonder how people living in the british isles fared after the collapse of the (notably hierarchical and horrifically unequal) roman empire. There are (or were, anyway) still aqueducts, roads, etc.
I know it feels easier to accept bad news in advance, but don't suffer the arrow strike before it happens. If you can't dodge fully, you can still impact where it hits and what you do after. You can use that experience to protect other people from arrows.
I'd also love an infographic or image set of the graphs.
(With informative alt text, so everyone can access them. Not just sensory impairments like sight or hearing, but also easier for people who speak different languages: having text you can copy-paste into a translator or look up word by word in context is very helpful.)
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