It already feels extremely cheap to bring a Scholar to any dungeon that syncs you to under level 30. They weren't designed for Eos in mind, but a Scholar can still summon Eos.
Just put the tank on /follow and afk. That's how trivial it is.

Yes, things are based on potency, but the dungeons were designed for a certain balance. Scholar being the extreme example of breaking it, but others would also contribute more to breaking that balance if you had all your abilities.