On the matter of S'mores vs. Cheesy Popcorn: Which one is just Styrofoam coated with the smell of feet? Not S'mores! Which one leaves dust on your fingertips like a bad cocaine habit? Not S'mores! Which one sticks in your gums like a lost fingernail? Not S'mores! I rest my case.
In 2011, I found out that Canada has had a national improv competition in high schools for 40+ years now. Since then I've always associated their dominance of improv with that. https://en.wikipedia.org/wiki/Canadian_Improv_Games