For me the change to dungeon exp misses the issue entirely , they chose to address people farming trash mobs in dungeons for fast exp which is just a symptom of people being bored and feeling disengaged with the levelling process . Fact is these people have and will just find the next most efficient way to gain exp/hr regardless of wether it is in Squares vision of how people should play their game or not.

My opinion is make the intended levelling process smoother and more engaging and this wouldn't even be an issue