'Forcing' non-DPS roles to dps to an expected output - to me - seems like a conundrum between, 'let's all do our best', to "you're not playing how I"/a disgruntled (and dare I say over entitled) group of vocal people want you to.

This could just be a fork in the evolution of the MMO(RPG) genre (i.e. becoming more involved and blurring the line of traditional fantasy Classes).

/justmy2cents