Its not about warlocks...warlocks are just one example of people leaving the game because of major balance issues.
Melee vs ranged...you know the topic of this thread...is making people leave. You don't think melee fans that see how bad balance in this game is aren't leaving? When your choice comes down to play a 3 hit KO melee or kite kite kite...people that want to play melees are just going to go play something else.
But hey let's pull a Chai...LA LA LA LA LA people don't leave the game over ridiculously bad class balance LA LA LA LA.