Never gonna happen can see the money that’s being spent - the huge amount of choice and branching paths. Adding 2 more is essentially 50% more time and cost if you want the same high standard of game we have.
Personally I prefer 4 but I understand that people love 6 man/woman parties but it simply ain’t gonna happen …maybe a modders thing someday but outside of that I’d be astounded - happy for those that want it- but astounded if it is put in ….
Unless the $$$$ make sense & the release date could wait lord knows how long.