Running dungeons wont teach them their class/jobs. Reason being instances are controlled there are very few variable. Open world grind partys as well as mobs in the open world that would provide a challenge as well as variable. Fate's teach nothing, dungeons can teach mechanics but they are still not enough. When anyone and everyone can get what ever they want easily: exp, weapons/gear etc there is an issue.

Yes there should be easy things but the easy things should not reward you much of anything, hard content should give the rewards. Any player regardless if your casual or hardcore or whatever should be challenge from level 1 to cap. The issue is there is no challenges to over come because its all easy street. We have player's now that just want to be carried thru the relic fights or the dungeons because they dont want to take the effort in learning what they need to learn to do the content w/o being carried. If content was a lot more challenging we (hopefully) would see better player's but in the end we can all Thank Yoshi for make things so damn easy, instead of making it so player's actually have to learn their class/jobs.