5 - 10 % lets nerf it for the rest! Pve needs the casual gone and grind back

Doing anything for 3 years gets monotonous. That's life.

I'd like to direct you to Vanilla Destiny, pre-HoW when Destiny was a thriving community of PvE players meeting up every week to do the raids and nightfalls. That is of course until Bungie made every update pvp-centric and let the raids stay in their state of dilapidation...