Power Leveling is NOT what destroyed PWI.
PWI has been destroyed by owner's greed, too high prices in Boutique, selling packs that don't give you what you pay for ("... a CHANCE to get this-n-that...), need to be lvl 100 to farm pages for lvl 79 skill books, shamelessly low drop rates of manufacturing mats and other stuff, and many other things, but not the ones you say.
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The worst is too obvious intention to unnecessary waste player's time, which power leveling is not.
If you need at least 8-10 months to properly level up just a single toon OR thousands of dollars in "free to play" game to do it in 2-3 months, it looks like blatant extortion. People get offended.
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But Hypers are not needed on this server. Here is good.
(Except too low drop rates of EC for non AoE classes... LOL)