To be honest, not a chance. Reason; why would any creature continue to spread the teachings of the Alicorn who sealed away all the world’s magic? And I know Opaline is the reason for Twilight sealing the magic but what if the creatures didn’t know know the reason or know the Opaline create the problem but I doubt future generations will continue to believe or accept its teachings by rebels or the new rulers. I think they’ll renounce friendship and believe ponies are the source of all disasters which is… believable if you think about it. Only Ponies gain powerful magic which attract all the races if you think about it. What do you think?

Obviously Yaks.

Obviously Bat Ponies. ^^

I take you haven't watched the show at all.

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If the world they lived in used common sense like us then no, they most likely wouldn't. But unfortunately this is Equestria, they're too stupid and naive to entertain such thoughts.