I in general don't replay most pokemon games, I mostly beat the game once, enjoy the game for what it was, and then focus on collecting and breeding.
However, I have replayed Emerald twice because that is my favorite pokemon game ever made and I've also played hacks that were more or less remakes of the older games, but other than those two examples, I don't replay most pokemon games.
I will say this though, the overall story and characters of the game (separating tutorial from proper story dialogue), was actually really good and there weren't any characters that I thought were annoying or useless. I will admit that Team Skull probably should have been fleshed out a bit more, but I still felt that they did serve their purpose within the story, being the proxy as well as a scapegoat. I thought the overall story was the second best in the series with B/W having the number one spot. Plus this game had some of the most entertaining, witty, and nostalgic dialogue I have ever seen in a pokemon game.
I had a rough time making it through the constant tutorial and hand holding. Considering all of the adult jokes and innuendo's throughout the entire game, it's obvious that Game Freak knew that their target audience was wider than just young children, so then why was the tutorial longer and more tedious than OR/AS (which also did a ton of hand holding)? With each game it seems like Game Freak thinks children are getting dumber than they were with their previous release.
Playing through Moon, the game made me feel like they were treating me like an idiot who has never touched a game ever, and that alone would prevent me from replaying the game. I don't like it when games treat me like I don't know how to learn through playing.
I'm sort of salty about the overall region itself, as I mentioned in a different thread, the lack of real water routes make me feel sort boxed in on these islands. I didn't think the islands were too small, but they did feel claustrophobic. Knowing there wasn't any real traveling space between the islands made me feel like I was traveling to hit the edge of the map and then be "warped" over to the next map, from one box to the next box.
Even if I was interested in replaying pokemon games, I don't think I would restart Moon. It's mostly the maps and tutorial that really make me want to stay away from picking it up again.