You don't do exp trials for optimal currency farming.. you do them for optimal exp farming.
And it does affect me negatively, since it's yet another storage page that clogs up my mog locker. I won't benefit from it until I've upgraded at least 2 pieces to +2, meaning I have to spent time in less then optimal dynamis areas for forgotten drops. Drops that might require as many as 5-8 runs per equipment piece duoing with a THF, versus the 2 needed for pure exp. (And solo it could be as many as 50 runs.)

