I don't understand why people would want to raid or even play the game when there's no chance to get an upgrade. Once your guild has finally cleared the new tier and you've farmed it for half a year and everyone has had their BiS items forever what's the point? Now with WF/TF gone they've replaced it with an even worse system and come Shadowlands they're either going to remove any sort of loot powercreep system and stick with corruption or have something as bad or worse. WF/TFing was the only thing that gave a little incentive to do the same content over and over for a chance at character progression. Who cares if some LFR floor-licker got a mythic level TF item; it's not like these people are going to somehow become better than you and start raiding mythic because they have a TF piece now. The good players progress the hardest content and the rest don't, regardless of gear.