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If Anet is serious about real life not giving unfair advantages, then they should have no problem with putting a limit on how much time each account spends per month on playing the game. Since box sales were supposed to pay for the game in the first place, then they will not lose out on cancelled subs as there are no subscriptions.
Call for it, get behind it, ensure game integrity and prevent greed from spiraling out of control. Otherwise I assure you it will be like other systems where they put in new content crap that only experienced players can complete when they could be adding stuff for all players.
No one should be playing more than this.
(yes this was sarcasm)