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MMOs are usually fairly complex, having a number of different systems or aspects to the game. For example, you often have PvE combat, PvP combat, exploration, badge-hunting, crafting, socializing etc.
Often times bugs, issues or revamps hit some of these aspects very hard, and leave others relatively untouched. For example, those feeling the sting of recent revamps to CoX include crafting badgers and PvP players. Some like the merit system, but those who ran TF's mainly for rare recipe drops now may have to do the same TF four times before they can get the same recipe that they used to get after doing it once. That's not a slam on the merit system by the way, but it is a commentary on the calculations used to determine the time-sink.
I've noticed that people who are directly affected by unwanted issues or changes will express concern over these, understandably. I've then noticed that these comments tend to be followed by criticisms made by people who are not directly affected. For example, I've noticed that some of those who are most critical of PvPers have never really PvPed in the game, and have really no intention of doing so now.
I'm thinking that there could be more helpful interaction if instead of immediately jumping to the attack, people who are not directly affected by something would take the time to listen or do some research. You can be a very intelligent person and still not know everything that is going on in your MMO, and you may not know how changes affect your neighbour.
If it affects others though, it will very likely have an indirect impact on your own gaming experience. I think more listening and investigation would serve the game (and all players) better in the long run, rather than an uninformed, knee-jerk, critical response. Just a thought.