Sounds like a kind of Schelling point: https://en.wikipedia.org/wiki/Focal_point_(game_theory)?useskin=vector https://en.wikipedia.org/wiki/Focal_point_(game_t

Sounds like a kind of Schelling point: https://en.wikipedia.org/wiki/Focal_point_(game_theory)?useskin=vector https://en.wikipedia.org/wiki/Focal_point_(game_theory)?uses...