It's more than just the teleport that Is the issue. If you just cut it from the game people would riot and for good reason.

There is no need to traveling in the game asides gathering and getting to FATES perhaps the hunt. Otherwise there is no content in traversing any zone currently. FFXI had more than just field zones. There were Notorious monsters for example that through difficult and time consuming areas to reach yielded goods that sold well on markets.

The entire game experience was had in the open world for the most part so it was designed to be used as such. XIV sadly lacks a use for its open world.

You would need to do more than cut the ease of access strings to get people immersed in the world.