why does enochian exist for black mage

[Sunako]

A job's difficulty isn't only tied to the number of different buttons you have to press in order to make it work. BLM's rotation difficulty is on-par with WAR's, but is one of the hardest job to play in savage raids. On the opposite, SMN has what feels like a billion different keys to press on a 2 min long rotation but is fairly easy to play.

As Dualgunner said, RDM might be easy to play, it doesn't mean it's so easy to optimize. But I can understand that you don't need so much thought while going through the Swallow's Compass.

Well optimization is not only how you plan your movements. For SMN you have to plan multiple things that rdm or blm not have to. Like should you push your aetherflows before downtime or do that delay your next aetherflow if you do it?, should you use rouse if boss gonna disappear in 5 seconds, should you hold devotion and radiant shield, when you wanna summon bahamut, not overlapping rouse with bahamut, using dreadwyrm stance before aetherflow come back from the cd, should you save aetherflows for the add phase and do you delay your next aetherflow if you do it?, check your pet is not gonna get cleaved and die, check your pet placement so everybody is gonna get devotion especially if you use garuda, plan dot timers it is worth recast dots and sometimes it is even better use different opener based of duration of the fight.

It is same than saying mch is easy play because they can keep 100% uptime easily which is not. Difficulty is kinda subjective, for somebody using timers properly is harder and for somebody using triplecast, swiftcast, sharpcast and aetherial manipulation for movement harder, but even most movements are usually behind timers and you know already before match where you have to move and when except during progress maybe.