I find this game way of progression similar to game most of people playd ( world of warcraft).
the way this game making tiers of progression where last one became less valuable as the next patch come out
throwing the old amazing content in un-recycleable place, less people playing it and no one go and look back to old content.
i got story of recent friend joined he is a tank .. found really hard time to finish his first main story raids so we have to join him to make it faster.