Maybe Blizzard create this upgrade system to ruin the Mythic+ boosting service. Valor reward will encourage hight level item players play low key, they will help carry the low Item level players. That why they do not increase the valor amount depend on key level.I just play some +4 dungeons and meet many hight level item players. That not happen before.Sorry for my English.
Stop making statements that make too much sense
Well at least getting into zeros wont be a problem