Wait, why does it surprise anyone that someone wiped to Moogle Mog XII on their first few attempts? There is enough randomness in the fight that it can wipe veteran players due to a poorly placed moogle-go-round. Plus its not like raid mechanics are naturally intuitive in any sort of way. Try comparing fights in an MMORPG to something like the witcher, where you can learn about an enemy via the game's mechanics prior to fighting them. Walkthroughs on youtube might be part of the ecosystem, but they are not part of the game.