In destiny, the most challenging part of the game is the light level. It literally forced you to grind for high level gear to reach the max level. Now in year 2, light level is now no longer a problem as experience is more of a focus. However some players, like myself want to grind exotic gear as they drop at high light levels as of the April update to reach 335 light level. So the main focus is "is light level a thing to worry about in year 2?