"You will not exploit any bug in Guild Wars 2 and you will not communicate the existence of any such exploitable bug (bugs that grant the user unnatural or unintended benefits) either directly or through public posting, to any other user of Guild Wars 2."
Rule 17 in the Guild Wars 2 Rules of Conduct. The document explicitly states;
"Please be aware that failure to comply with these rules of conduct may result in the termination of your Guild Wars 2 game account according to the Guild Wars 2 User Agreement"
The document may be viewed here; http://us.ncsoft.com...of-conduct.html
Your counter argument?