Per the other response, it's kind of an over-reaction to the term to the point that it's been equated with the British "spaz", where it's offensive because it tends to refer to someone with mental disabilities. It's entering the euphemism treadmill
It's also worth noting that FFXIV is practically single-player if you want it to be. Any group content can be played with random match-ups using the party finder. It's got a great story, too
Oh, you think the dumbness is your ally, but you merely adopted the dumb. I was born in it, molded by it. I didn't have a brain cell until I was already a man; by then, it was nothing to me but blinding!
It is a way of life.