The biggest losers (IMHO) over the last decade have been D+ members. We also enjoyed the CL on Anthem until we were tossed out. Also gone... bridge tours, meal with an officer (now cheers), galley tours, priority check-in, beer removed as an amenity, etc..
Yet, we still have some nice perks... three free bottles of wine, 10 drinks a day (for both of us), free photos, laundry, balcony discount, etc..
Maybe it's inertia, but (for now) we're sticking with RCCL.