What if Starlight Glimmer saw through the Mane 6's ruse? After all, she had dealt with such plots before, and she's absolutely confident that she can reach out to the yellow mare that her friends are using for their insidious means.
(Author's note: this is my attempt at a more subtle, realistic kind of mind control/hypnosis. Tell me how it is in the comments! All criticism helps me get better. Also, I intended this as a one-shot, but I set this story to incomplete in case I may want to continue it.)