When we were there (June '07), there was a group of about 8 adults together at a back corner table, with no kids. The servers were treating them very special, no silliness but very nice and cordial. It turns out that they were celebrating a 50th wedding anniversary at WCC! Seemed like an odd choice to me, but they clearly enjoyed sitting back and watching all the fun around them without being dragged into it. Then the servers made a special announcement for them and the entire restaurant applauded. It was very nicely done.
So I guess my point is, tell your server if you don't want the craziness at your table. We had a totally rowdy time (got 16 ketchup bottles!) and we were across the aisle from the group in the corner having a quiet dinner. WCC can do it both ways.
We loved it and we'll be back in August.
Sue in Texas