
Originally Posted by
NeoCracker
Dungeons in The Legend of Zelda were designs specifically with his hand use in mind according to the interviews. The Hand link used For the Wii, however, the system was designed with people using the right hand.
It was part of an interview done for the Wii Version of Twilight Princess, but since the NES Link has conciously been designed left handed and it was always taken into account for things for how your sword swings and your shields block area, something that would change were link to switch hands.
If all they did was change links hand use, it would have screwed with the intent of the dungeon design, so the dungeons had to be mirrored as well.