Yeah, a world without coffee would be weird. It might be a good thing. People might be less jittery and sleep better.
Coffee is bad. but it's so damn good.
I never drank it until I was past 40 and had a severe anemia.
I thought I was just getting old and tired, so tried to give myself energy to keep going with lots of coffee. Found out I was anemic, took iron, felt wonderful again, but kept up the coffee.
I'm completely addicted to the stuff now.