Lets make a system for people to run dungeons with NPCs so they don't have to wait in queue forever because of a lack of players.
Lets also make the system require the player to run dungeons and level the said characters, so they have to waste tons of hours just getting the NPCs maxed out for the very few instances where they need to use them.
... how about just having the NPCs at the right level so people can use trusts?
[Quick Note: As people have pointed out, Trust is not Duty Support... which does not help with how confusing it is to have both options on a menu. :( )