If you continue to dumb down the game, you will lose half your player base

[KayRadley]

FFXIV was never really designed to be hardcore competitive, complex game. Even the 1.0 was, while grindy and tedious, fairly straightforward in its combat gameplay.
On my server (Faerie), majority of people play the game as a single player RPG and only use the MMO aspects for socializing and fun group activities, rather than to accomplish challenging goals, and it feels at least, that the sizeable chunck of the population plays this way (as much as some people wish it wasn't so).
So while personally I wouldn't necessarily object to a more complex gameplay, I would be concerned that by doing so we will lose more than we will gain.

This, this, a thousand times this. If you want to play a game that is super-duper-complex, play FFXI.