Well, in infinite infinite universes, anything is 100% possible... so, there is not only a world with a kingom inhabited with ponies, there are infinite Equestrias, with infinite alike enought to live a whole life there without noticing any diference, and others very different, imagine Dash befriending Gilda, but instead as a griffon, Gilda is like Cerberus, but her heads look like Celestia's plot... And yes, in some universe we're hugging Fluttershy right now...