The only MMO I think that did Jumping right. was DDO.
It was a skill. If you had no skill in it you couldn't jump at all. Or very far, very high, or very often. People who sacrificed the skills for Jump could though, get into places others could not. IIRC they even had Dungeons where you had to have a designated Jumper who could scale specifically long jump distances.
I know I had my Sorc set up for it because I used Jump as a dump skill when I maxed all my other skills that I needed up. So I could get ontop of rooftops in the hubs and smile down at people. I even had GM's called on me because people thought I was hacking instead of being ingenuitive with my platformed jumping. The GM's would come see me on the roof then ask me how I got there. I'd jump down and show them the exact pathing I used. If it went out of bounds they'd tell me they would report it. But none of those paths ever got fixed I don't think. Of course this was all like Month 1.
That all being said. I can see horrible outcomes coming from jumping being in XIV. Simply because of the design of the game so far.