I was reading through the last live letter notes and came across this.

Q: Do you plan on adding buffer or debuffer roles?

A: At the moment we plan on continuing with the three current roles: tank, DPS, and healer. If we added more roles to these three, it would become more complicated to decide which job fits into which role, and I believe new players will be joining the game in 3.0 so we don't want to make it difficult for them to understand. For the time being we would like to keep the number of roles as it is as we move forward.

Really?? Keep in mind the question asked is irrelevant. The answer is where the problem lies "In Bold". Is the dev team assuming that new players are incapable of figuring anything out? This is not the mindset that i am looking forward to in the evolution of this game. That's fine if he wants to keep these 3 roles but his reasoning for doing so is not a good one.