The question isn't 'How could advertising a Back To School sale one week into summer vacation lead to a youth boycott of Barnyard Bargains?' The question is 'How could it not?'
As it is said, true peace can only be granted through countless innocent lives. In hindsight, the ponies were never that different from humans. Ultron’s plan is not over, and soon his strings will be severed for the last time.
Filly Twilight is teleported far, far away from Celestia. Now Chrysalis has her, and she's fully intent on keeping her. But maybe the powerful, loving filly is more than Chrysalis expected?