If any server is going to lose a large amount of players, It wont be zone. Most likely it will be classic as their is nothing to do on classic that isnt 5x better on Delteria. Reasons for delteria's playercount being as high as it is, its really freaking fun! Also, playing zone for a while, zone is much more fun than classic in the things that you can do. Showdown is probably the most fun thing on all of the servers, and if zone kept implementing awesome minigames like showdown it could easily have a large playercount.