The whole thing feels rather forced, rather like the Eden's Verse: Refulgence plot. "Oh, here's this extremely obvious bad idea, run with it because that's the plot!"
Do I think Momodi was part of the conspiracy? No, she was just an actor on the stage whose best intentions only ended up making things much worse.
(The whole "Ul'dahn Revolution" arc is just kind of a mess, especially the ending, as one would expect from filler whose only real purpose at the time was to stalling to get Heavensward written.)