Jumping is useless unless it has an actual use and some kind of restriction on it. Autojumping over a tiny ledge? That's perfectly fine as it's the main reason people should want to jump.

When people claim "it will let us explore more", not unless the world is designed to be thoroughly explored which the current world of FFXIV is not explorable beyond what we already see and know of the layout. If I recall yoshida said the possible implementation is going to be a compromise between "free" and maybe something like an emote as he knows theres a lot of people for AND against it.