Of course it’s a parlor trick, nobody is denying that. But still, picking Trick here is framed as a “bad” choice. It’s meant to mirror Erika vs Maria in Episode 6- Again, producing candy from the cup while Maria’s eyes were closed wasn’t true magic, it was a parlor trick. But Erika choosing to go ahead and reveal the truth just for the sake of it was an ignorant and cruel thing to do. Sure, Erika made the truth known, but that was totally unnecessary because everyone, even Maria, kind of already knew. Choosing to reveal Beatrice’s harmless parlor trick as such was unnecessary, everyone was in on it together, and there wasn’t anything to gain from it besides the smug satisfaction of having seen through it, which isn’t an impressive feat to begin with. (Like you said later, it makes you into that guy, somebody who’s pretty unpleasant, if you ask me.)
But that isn’t who the Trick Ending is meant for. Sure, choosing between “Magic” and “Trick” is symbolic of the question of whether “magic” exists, but, in context, it’s choosing between revealing the truth behind a bit of harmless play to others who already know the truth, just for the satisfaction of not doing so, or playing along. The context in which you choose the ending is not about whether a witch killed the Ushiromiyas or anything pressing or important, it’s over something small and simple, a situation where it would just be petty to expose the truth.
I’m in complete agreeance with you there, but I don’t really even think that makes the Trick End into anything that exceptional.
Again, I agree entirely, and that’s why I consider the Trick End to be a Bad End. But I don’t think it’s anything exceptional, and I definitely don’t think it’s nearly as important or good as the Magic End.
(As for whether or not Ange committing murder was justified- Sure you can say that her killing Amakusa was self defense, but she admits herself she had no reason to kill Kuwabata. There was no evidence one way or the other that Kuwabata was anything but innocent, but it was simplest for her to kill him anyways. This isn’t really related to what we’re discussing, though.)
((Reverie, I answered your question via PM.))