Not to be rude but, It is an MMO, make some friends. Duty finder is a roulette, there will be some good groups and some bad groups. If you don't like that go make a group on your server with party finder. I personally made a linkshell of good players to just bring through content like this so I did not have to deal with DF. I still do use the DF to practice fights though.

In short, it ain't broke.