I agree, when game gets too easy there's no feeling of accomplishment. A lot of people wants the easy route.
Plus contents and the lifespan of the game gets old and feels like a chore quickly.

Example of difficulty such as demon souls and dark souls gives gamers longevity and both games have excellent reviews.
More and more people learn about those 2 games and the popularity rises. It's niche market kind of game and I know it's not an mmo, but it sure proved thatIt can survive in this generation of too easy games.

Holding your hand kind of game is nice for the lazy and I want to reach lvl 75 in one day people, but the problem with that is they start demanding the game is too easy and doesn't offer the value of the game.

I believe ff series should stay in the path of medium to high difficulty because it offer the true feeling putting efforts and team work toward that accomplishment.