Putting in intentional errors so someone else can catch them and think they contributed... that IS 'games and tricks'. Whereas your example (sending things in a

Putting in intentional errors so someone else can catch them and think they contributed... that IS 'games and tricks'. Whereas your example (sending things in an inefficient way) is just a matter of accommodating someone else's way of working. Accommodation is a good idea, game-playing may work in the short run, but it does not build long-term trust.