Well, the reason of why does posting full maps is a bad idea is because
while people plays the hack, they keep looking at the map so that
they won't get lost, but most hackers wants to keep the challenge of the
hack (And also wants to let the player to get lost all the time, 'Cause they are so evil. XD), so they won't let
people look at their maps, even people wants to look at them through
A-Map, they can still lock the hack, right?
Hope you understand my loooooooooong reason.