Just like a flask, food, weapon enchants, gems, another soulbind row, etc-etc are tiny % dps increases.
It all adds up.
There are RPG games where the story is what matters.
Most aRGPs, like WoW (don't tell me it's not the best fantasy combat simulator ever) use character progression as one of the MAIN culprits of the genre.
Most WoW players DO LIKE to progress their characters.
Korthia grind is not an "option", is an option WITHOUT ALTERNATIVES. If you could get research & codex rep for grinding dungeons, raids or pvp, then it would be FUCKING OKAY.
To hide this feature behind RNG (!!!) daily quests and a bland zone is a monstrosity and it should NOT exist AT ALL.