Yeah. It's interesting to me. Options 2 and 4 can sort of be combined. The main difference is that in option 2 they'd rather have Larian rework the entire EA to make a genuine 5e experience rather than simply allow an increase in party size to 6 and allow people to create a team of 4 customs up front for a more balanced experience.
With option 4, you COULD play it by simply creating 1 character and limiting yourself to a party of 4 with true 5e rules, making the game a lot harder, but they'd rather Larian implement 5e and rework a lot.
Hmmm.