Didnt SE cut skills and streamline rotations to prevent, poor DPS?

There have been countless times where I will be in a simple duty roulette expert and the dps will be so bad you think its just me and the healer fighting. But as long as everyone is having fun in the same dungeon that we have ran for the 50+ times its ok for DPS to be bad.

SE cannot scale common content to account for terrible players. If they did then everything would be brain dead easy and boring.