With the recent price increase in the cruise planner for the Deluxe Beverage Package, I think it is inevitable.
The bean counters for Royal are not going to continue to give away (give or take) 4k + drink vouchers on a typical Oasis class cruise to Diamond, Diamond + and Pinnacle C & A members. Not sure what Royal’s solution will be, my guess is there will be a lot of unhappy high level C & A members.
I, also, believe that the price of individual drinks will be raised by at least $1 each in the very near future.