Link and Zelda just changed roles (not genders btw)!
In this art's case, a general misunderstanding:
"Cool, but what if Link was a boy?"
"Uhhh...Link IS the boy."
Yep, Prince Link's outfit is basically the Magic Armor sans hat.
The two most common comments seem to be:
"I would play the [insert exclamation here] out of this game!"
"OMG, Prince Link!" *nosebleeds*
Ahahahaaa, you guys make me laugh!