thefutilist
Adventurer
Nice worldview... but the reality is a lot of game designs have been influenced by Theatrical Improv...
Such as most everything by D. Vincent Baker, Meg Baker, or half the Forge-inspired games.
"Yes, and…/yes, but…" is standard for theatrical improv. Anywhere you see that, you're seeing theatrical improv's influence.
We'll have to agree to disagree. Anyone else interested who is reading this can check the primary sources for themselves.