From the reviews I've seen, it actually seems like they listened to complaints about three and have toned down the cringey dialogue.
Of course, nobody can get the damn thing to run, so hard to independently verify, but it seems like this entry was meant to be a triumphant return to form, far closer to BL2 in tone and style than BL3.
It'll maybe be worth checking out once the inevitable Game of the Year edition goes on heavy discount in like four years.