It was bugs, lag and broken mechanics that people complained about for the most part. Sure there was some stupidity on the devs parts such as Fatigue, but I have yet to see one person in this thread say "I loved Fatigue!"

So when you say people have stopped complaining, (which they have not, I think you probably cherry pick the threads and posts you read) what you are really seeing is

a. people who were turned off by the bug, lag and general brokenness no longer playing, therefore no longer able to use this forum and

b. 1.5 year long attempt by first Tanaka and then Yoshi to remove bugs, lag and brokenness from the game, which

c. usually came at the expense of the interesting features we are talking about and with some generic mmo feature tacked on in its place