They don't care. It's been radio silence from them. They know 90% of their player base play single player and not couch co-op so they likely deprioritized this. The lack of split screen merging also makes the gaming experience horrendous.
I agree communication is bad and they could improve A LOT in this regard, but I wouldn't go into such a negative length to say they don't care, as Swen specifically said he was looking forward to playing couch co-op with his wife. I'm honestly hoping they invest more in the communications department in the future so they aren't so overwhelmed.