Class locked gear
GCD
End game craftable Gear that jumps you to raid lvl
Dialogue options that do nothing
Story quest mini games
Fetch quest that don't have much interaction other then click here and wait
Lvl sync
Most of the Open world enemies (especially the ones near quest locations)
Grand companies and everything with them
The time gate on beast tribe quest
and on a personal note blu mage (not because its not fun but because its not going anywhere and there isn't any other limited job)
But trust me I still love the game