On the one hand, Disney can't touch certain things because they have too much nostalgia attached to them and parks would be dead to us if these attractions were ever changed or replaced. On the other hand, Disney should constantly update and improve upon the experience. With such conflicting sentiments coming from, largely, the same community, it becomes difficult to take much of what the fan community says seriously.
Speaking only for myself, I favor progress and change, as long as it's positive change. While I would miss the present incarnation of Illuminations, if it's replaced by something better, I'd be pleased. Conversely, if change is not positive progress (see Journey into Imagination or Stitch's Great Escape), I feel justified in condemning it.
However, condemning something before it has even been announced, or condemning a change that might appeal to a broad spectrum of Guests but doesn't appeal to me personally (although I like them both, I view the Haunted Mansion queue and The Seas as examples of this), I view as counter-productive.
