DRG should have a special quest called "how to use heavy thrust"

[Tanathya]

Oh yeah i mean sure, by level 50+ you should have worked it out by now through one way or another but my point is the game does not tell you to and it's not to ally obvious either. I don't think 'caring' really comes into it.

The game could do a better work at that, but the point is they never cared about unlocking that, they're not gonna give a flying eff about their playstyle and how much of a drag they represent to the rest of your partners.

Edit: to add to dragoons not using heavy thrust, which happens far too often, I'm also tired of dark knights not using darkside ever. Some of them even tell you they run out of mp by doing that!