It's not that healing is unattractive but simple fact is there are more DPS and now Tank jobs than healers, and players are leveling up extra jobs they need for things like Savage (perhaps to fill gaps in their statics etc) or just to have more choice. After already maxing out SCH, (which isn't that difficult anyway because of SMN sharing EXP), I'm not far off from maxing WHM and AST but once I've done that I'll focus on other jobs, regardless of whether they are attractive or not. Sure the changes in this expac are very different to what we are used to, but I'll queue up for what I feel like at the time and not because X or Y job is now boring.