The scary part about improvisation, in fact, is not that it requires a response to unforeseen data — we do that all the time. The scary part is that it evens the conversational playing field.
Michelle Lyons-McFarland, “I Say, Then You Say: Improvisational Conversation As Roleplaying,” Unframed: The Art of Improvisation for Game Masters
I know it’s not wise to read more into a text than the author intended, nor to engage in judge-y behavior about how people like to game, but…
I feel like this insightful quote says a lot about various groups with which I’ve played, and why those who had decision-making power regarding what games get played choose the games they did, regardless of whether they were going to participate as GMs or as players (in games that feature that dichotomy).