I was very close to cancelling our ADR at 'Ohana in July because I'd read lots of negative reviews from poeple who liked the "old" menu. But DH told me we should just try it, so we did. It ended up being good food and a fun time. Yes, the entertainment got to be a bit loud at times. No, the food is not gourmet. But, some of the food was very good (potatoes, dessert) and it's a completely silly Disney experience.
My opinion on reviews is that they're all subjective. I don't like Olive Garden; my MIL loves it. We disagree. That doesn't mean one of us is right and the other is wrong, just that we have different tastes. It's the same thing with any restaurant.
Try it and come to your own decision.