That's an interesting outlook, because they don't have seasonal pricing for ALL restaurants, just the fixed price ones. A party could easily avoid the surcharge by avoiding fixed price restaurants.
The catch to that is that all character meals are fixed price, and Disney, having already figured that guests don't book character meals for the food, may have also figured out they'll pay extra for them - or agree to stay onsite and eat all their meals onsite so they can get a dining plan that will enable them to save some money, or at least feel like they are saving some money, on character meals. Brilliant marketing, really.
This is exactly what I think!

Last week was our first trip in years, without any character buffets. Now, we are used to eating 2-3 TS meals per day, and have eaten at all character meals. So, we usually mix it up with non-character, character and even Signatures once in awhile. My babes have even been to the same character meal 2x in the same trip, as we always go for 2 weeks each summer. We have paid cash using DDE/TIW, DP and DxDP, but at this point, we are tired of the raise in buffet prices, especially the seasonal surcharges. It is crazy that a few years ago, we paid less than $30.00 for dinner at Chef Mickey's, yet that same dinner has risen by over $12.00/adult, and the food, service and characters are worse than ever. My kids are fine, as they have been there, done that, many times with characters, and they didn't even miss it that much last week!
Not only did we only eat 1 TS meal per day last week for lunch, we cooked in our DVC villa for breakfast and dinner, and we loved it! Saved a ton, and I mean a ton of money! When I add up the thousands upon thousands of dollars we've spent on Disney dining, it makes my heart ache...
So, we are a family with young kids who have eaten pretty much everywhere, including Signatures, but no more for us. This is less money in Disney's pockets, but somehow I don't think it's an issue, as there are many families who will pay those buffet prices.
We will be on DXDP in June and have several buffets booked so I went through and looked at prices on allears to get an estimate of a tip budget. The prices listed are no where close. I'm guessing that allears is a little behind on pricing
Yes, All Ears and WDWinfo do the best they can with prices, but because Disney changes them so often, they don't get updated as much, especially with All Ears.
The best way to get prices is to call Disney, as I did, Tiger
