Your mistake is in assuming that people want SE to learn from WoW at all rather than simply past mistakes.
Strangely enough, I have a friend who is a hardcore FFXI player and won't even touch WoW (doesn't like the fact that there are instant cast spells!), who still remarks that he won't play FFXIV unless S-E takes some serious lessons from WoW, and makes the game accessible to players who don't want to dedicate 20+ hours a week to play.
Even though it was based off the concept, it was unmistakably Japanese, with several innovations that drew people to the game rather than say, a western style MMO.
FFXI at launch was essentially a watered down version of Everquest. With the addition of advanced jobs, auction houses, and a more advanced plot line, it started to become more unique. Elements like Mog houses, job system, BCNM, etc were a step forward, but FFXI is, at its core, Everquest. Whether that makes it "western" or not, I don't know. Everquest was essentially a graphical version of DikuMUD. Does that make Everquest "only" a MUD?
You are also hilariously incorrect in thinking that the Japanese are apparently unable to complain about FFXI because they just 'don't know any better' (REALLY, dude? REALLY?), which was the basis of my well-deserved sarcasm.
I think maybe it isn't a matter of "knowing better" as "having any expectation of something better." As far as console MMOs go, FFXI is probably the best. If your only intention is to play on a console (which is largely the case for JP players) then it doesn't really matter what is available on PC. When I look at games for my GBA, I don't compare them to games for my PS-3. EVen though I obviously know that graphics can get a lot better than what my GBA is capable of, I don't reasonably expect that.
Obviously JP players are not stupid or technologically unsophisticated, but that doesn't mean they have the same relatively high expectations that NA or Euro players do, because NA and Euro players are used to playing MMOs on a PC, where more is possible.
Does this make any sense? I don't think you have to take it as an insult to JP players to realize that they might not have the same level of expectations.