I've always been a supporter of multiple difficulties, paired with different sets of loot. Easy mode gets normal loot. Normal mode gets normal loot +1. Hard mode gets normal loot +2.

Casual players should be given chance to experience these dungeons and storylines and beating HNM and gods as well, but in easy mode. This is only fair because they pay for the same game, and the same subscription, and they want to see the beautiful dungeons and instances that SE has created for 2.0