The way I see it the current class system is completely useless after lvl 30, and far inferior to the Job/Sub system from XI. But that's the price you have to pay in order to make Jobs actually work in 2.0 due to the restrictive nature of the new gameplay design.

You can see it in how the new team is completely against emergent gameplay and how they go out of their way to block every attempt of players to play in a way "that was not intended" So obviously the freedom from the old armory system had to go as it would have been too much work for them to balance in the new, much more restrictive version of the game.

It's unfortunate that while the old 1.0 system was an improvement over XI's (and actually managed to make the job/sub system look restrictive in comparison) the new 2.0 one is two steps backwards from that.

It is working as intended, but it's blatantly obvious how inferior it is compared to it's predecessors and how much closer it is to games like WoW instead. And since there isn't much anyone can do about it you either learn to tolerate the dumbed down gameplay or look for another game to play, because the new course for classes and jobs has already been set in stone.