What about the fact that some encounters require constant movement. If you apply fracture before the movement, you're still doing damage/threat where you wouldn't be otherwise.

Case in point, putting up fracture before Ifrit Jumps, or when garuda teleports. On titan it doesn't matter since you're stationary, but it could work just as well when Titan jumps as well.

There are a lot of mobile fights where if Fracture isn't up, you're not getting any threat. I understand that for stationary fights you have better use of TP in the rotation, but if i know a boss is going to move where I won't be hitting it for 5-7 seconds.... then Fracture is probably the BEST thing you can do at that moment.