Regarding the length of the season with 18 episodes, I don’t think the number of episodes matter as much to the quality of the show (just like I don’t think doing 6 episodes was a detriment either). It depends on how they structure the season. If they do two parts of 9 episodes each with a clear beginning, middle, and end in each part, that leaves less room for fillers which I think is what most people are worried about. I felt like for a lot of the Disney+ shows that had 6 episodes, their pacing was off. They took their time with set up but rushed the ending because they only had 1 episode left. At least a 9 episode part will give them more breathing room.