I kinda get it, in a way. However, even though that twist was unnecessary and meaningless, it could have been worse. For example, I imagine a worse scenario in The Ending of the End where the villain don’t know that Discord was all behind this, we all know it as the audience and his plan was finally revealed at the very end, making the Mane 6 really shocked and making the audience weirdly uncomfortable because we all knew it during this 44 minutes episode.
If The Ending of the End was exactly like this, I could even join the disappointment. But no, it was revealed at the very first minute, even though it’s a questionable creative decision. To me, it’s just another one for a long list of poorly written ideas.
Maybe it’s just me, but I’ve seen worse.