Macro is too efficient now + no drop from PK = 24/7 afk farm for all server, but what does that mean for NCsoft ???
Well first, many players enjoy the macro fest now, so all want the juicy "Free" afk XP, where you don't even need to look at the PC AT ALL! They will all buy prestige pack + Destiny pack + many many more consumables in order to boost their main toon + all of their boxed supports. All of these server changes are bringing back the game to a kind of a subscription model.
Solo zones are much better than party zones. ATM party zones are used from top players to xp solo Party zones are low lvl, to many players monsters are gree/blue there.
Instances have no XP/DROP and you need to waste time and effort for making a party, so not efficient at all.
Many zones got adena/drop nerfed, so you can see even the macro groups leaving those places. ETC ETC ETC ETC.,,,
ETC ETC ETC .. there are many other reasons.