Some gripes about Dynast

In the description for Dynast it says it was based off of CQC but it hardly looks anything like it from both 3 and Reach.
Another thing is why did we need Dynast when Wrestler-class Mjolnir exist for the same purpose and has a much better visor?
http://www.halopedia.org/WRESTLER-class_Mjolnir
What is waypoints thoughts on this?