It would be conditional, but yes, they would have to have safeguards against foreign aggression though, which is why in my MLP fanfic I separated both Equestria and the human world divide with the Bardo afterlife system, transmigration and the multiverse, with a path to enlightenment story plot in an alternate timeline where you could join the characters, background, secondary and main, at the start of their adventure.
With the messed up moral values people have in our world, you would not want those being taken over to a lovely fictional place like Equestria, trust me on that one. How would it even work? say if this fantasy could come true for the sake of discussion, a fantasy world scenario where you did end up in Equestria, you would need to adjust to their social norms, otherwise there would be a conflict, in my view such a thing could only feasibly happen if you were born and raised there.
I'd give up any material possession to do this, I don't care, comics, video games, computers, does not matter, friendship there would mean far more to me than anything petty like that. If I had to give up friends however that becomes a problem, I would not trade them to live in a world like that under any circumstance, if their lives were spared however, if it did not come with the drawback of human sacrifice or anything sadistic like that,, then yes I'd do this.
But if given that wish, say if I could in a fantasy world scenario like in my fanfic where Luna reached out to me and others who she thought should be given a chance after consenting to this, and if it did not come with any price that was too steep to pay, I'd choose that afterlife, as a Pegasi. I've had it with this genocidal hellscape of a planet and I want out.