No level sync, yes stats sync

[Ransu]

Then what's supposed to make leveling the jobs feel meaningful at higher levels if most abilities are frontloaded in the first 50 levels and you get almost nothing but traits after that? Passive increases like those the traits usually give generally aren't felt.

The same thing that should make leveling through lower levels feel meaningful... There are so many skills they could introduce earlier and still have enough left over to continue to introduce at later levels including traits that upgrade those skills to new animations/procs/potency.