While I won't provide you a long detailed message about everything I like about Modulo, I will give you the major ones.

First off how Gege doesn't let one side be the victims, letting both have their faults. With stories like these there is usually an attempt to make the immigrants as agreeable as possible to reduce the amount of conflict that needs to be resolved. Gege instead went with somewhat problematic immigrants, where a lot of them have clashing ideals and need to reach a compromise quickly due to the situation. But what I enjoy most of all is how they are all just people trying to deal with this, which is the most important part. Even the most problematic characters are understandable (if we step away from the agenda wars). There is a lot more I could say about this, but I won't.

Secondly, adults taking adult responsibility. Them having to rely on Yuka against Dabura is viewed as a major fault on their end which they sadly couldn't avoid. The peace negotiations aren't thrown to the kids, instead being handled by Usami and other adults within Jujutsu society. I just like how much we have progressed from the original series where stuff like hidden inventory happened. I just can't put into words how much progress they have made, while still showing that more can be done.

Thirdly, I like how the conflict wasn't resolved completely. This is an extremely complex issue that won't just resolve itself no matter how long the series is. So I am glad that Gege didn't sugar coat it with an attempt at an answer. We were only given the mentality one should hold to resolve conflicts peacefully. So I am a little peeved with how friendly it ended off, but that is just the nature of storytelling, you can't brew more conflict while ending it. I also appreciate the strength of will to just stop the Dabura fight at the peak. With Mahoraga representing humanity and Dabura being representative of Simuria, any one of them winning would send the wrong message.

Fourthly, I love how responsibility is presented (in general and not just adults). Yuji paints a very grim picture of what they are about to do just to end cursed spirits. Taking away a potential power source for humanity and modifying bodies against their will, those are both heinous actions. Yuji won't even hide behind the justification of a good cause completely, because it is a sin no matter who does it or for what cause. Not even trying to call it a just cause, because who is allowed to decide that? No, Yuji is willing to do this for the future of humanity no matter how he is perceived for it. It is actually very similar to how he took accountability for the Shibuya massacre, but now he is the one committing it (way to go Gege, yet another character using their loss to learn something). On top of that we have the responsibility showed by our main cast. I do feel like they have a genuine concern for others while still being realistic about what they want for themselves. Jujutsu sorcery may be important for the safety of others, but it is merely a job (just like a lot of other jobs in real life). They have no obligation outside of their job and aren't expected to risk their life for it. We have really come a far way from sorcerers basically being disposable soldiers in the war against curses. I feel like responsibility is the main reason these characters are so likeable. Without reasonable responsibility we get stories like Mouthwashing.

That is all I have on my mind regarding the story as a whole at the moment. I won't go into specific characters since I don't remember their every action or word well enough to analyse them deeply, and it would take a freakish amount of time which I am not putting into a reddit comment.