Age detection was already very effective with Leisure Suit Larry 3 age questions.
https://allowe.com/games/larry/tips-manuals/lsl3-age-quiz.ht...
Some of those questions are highly regional. Like the W-4 being a tax form... Not where I'm from it's not!
That's really funny and clever that this was a thing, thanks for sharing. I never had the fortune of trying to guess my way through these.
That's how I learned the meaning of "prophylactic" at age 10, in front of a neighborhood friend's 286.