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I know the population will remain high and a bunch of naives will be jumping around with their storebought pets and mounts and now classes, but it's over.
Need gold? Just buy a boe pet and sell it
Dont feel like leveling? Buy yourself scroll of resurrection
What's left? They've milked almost all of it down to nothing, but go forth and level in MoP, within a few months after the expansion the scroll of resurrection will be bumped up and some clown will just lol past you and you timespent leveling like a fool.
There is no such thing as progression in WoW, because it is simply handed out when blizzard needs a few bucks.