Rex, it is another country it is not the USA.
Rules are rules no matter how frustrating it is.
Ever try reasoning with an American border agent or Homeland security agent?
You have likely never gone through the hassles of trying to return one of the immigration stubs you get as a visitor to the USA when someone from the airline or government didnt take it from you when you were leaving.
Maybe you havent been questioned at length in a locked room because the agent was having a bad hair day?
It is like talking to a wall but the wall talks back to you with the sense of...well...a wall.