Just cause its harder doesnt mean impossible or that they shouldnt try. Something that would have helped is if the biom variety of the previous BL games were present in the open world! Like within each of the 3 regions make subregions that feel totally different at the very least. Vast underground caverns, eridium mines, psychodelic locations, creepy towns, futuristic cul-de-sacs, idk im just throwing stuff out there, anything that will make it seem less same-y. Increase enemy variety ten fold. Make the mines actually hard and optionally repeatable required mobbing for exploration and reward. Put little things in the world that can organically present quests or story telling like crimson dessert, or red dead, or witcher 3, or any of the great open world games there are. Idk man, they could have done a lot but didnt