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Looks like few people are aware of the problem with WvW, or they just like to pretend that it doesn't exist (which seems to be the typical fanboy reaction these days).
So, the real problem is: gems -> gold -> influence -> WvW advantages.
Ingame footage (at 1:50): http://www.youtube.com/watch?v=zi6GAbVATOA&hd=1
Discussion: Tales of Tyria #24: Gems to Gemonade (starting at 1:01:00): http://www.youtube.com/watch?v=EAtXE3AftX8
Maybe this will be in the final game, maybe it won't. Right now, it's in, and Anet made no statement regarding that feature.
So, yeah... stop denying that the cash shop gives WvW advantages. Time to enter the next stage of denial: Getting hyped over WvW cash advantages, because they are actually the bestest thing that ever happened to MMOs! I mean... if they weren't, then GW2 wouldn't have them, am i right?
Hype train -> Reality