Terrible to hear - 2/4/8 for Dungeons and Delves is the worst aspect of end game grind.
2/4/6 is the solution and until then its just an aspect of the game that doesn’t align with this new push for Alt centric content the dev team has been pushing.
I get that the new corporate model of content release is all about creating an entirely formulaic experience but you should absolutely reduce this to 2/4/6. (literally just 2 of each per loot slot unlock, its crazy to say do 2x as much content for 50% as many rewards.
You’ll learn one day or the AI’s will take your job and they will learn in your stead.