Quote Originally Posted by Iscah View Post
You just answered your own question and stated why they are not identical.

Trusts require levelling; duty support does not. You can get duty support for the level 90 dungeon while your trusts are still at level 71 and can only access Holminster.
So why have trusts if you can just do all the dungeons anyway with duty support? Oh? You can put them in different clothes, wow! That deserves a whole system that is the same experience.