What is a feature that is better for the game but you personally dislike?

As the title mention, what is a feature that has been implemented that is better for the longevity for the game that you personally do not like?

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For me it would have to be the leveling scaling for every zone especially in the old world. I liked having the thought of those high zones that you would eventually explore then be able to start to out level it and over power the enemies there. Before you would accidentally enter the Western Plaguelands through The Bulwark while leveling your forsaken and see a lvl ?? bear or spider charging after you, now you can level through there at 30 or 50 and the mobs will still have the same power.