Expert and the level 90 roulette are arguably more important than savage raids.
disagree on that one. both are equally important, just for different demographics. I couldn't care less how unbalanced a job is in a dungeon, they're easy to do no matter what you do, while higher end content usually makes you utilize the job more (not to its full potential mind you, but you need to properly use more of its kit, so it demands better balancing than a dungeon)

of course, people who only do casual-ish content won't care about what I just said either. it's a matter of perspective