That it would not be in the game's interest to match you with the newbie that is great at playing the game and already can do a lot more than the minimum requirements. It would be in the game's interest to match you with players who are deficient, so that the average skill level and duty completion time stays the same.

If you don't like to do Dead End with bad players, you have the same option the bad player has, duty support.

You do what the game wants so you get the rewards, you wouldn't do it if it didn't give you the rewards. You can of course decide that the rewards aren't worth the inconvenience you are incurring in which case the scale of duty completion might tip into a direction for Square Enix to take action.