How has his community managed to keep things organized and under control?

This is a very good question and one that I am not really sure that we know.

We do know one way the community keeps things under control.  That is through "releasing" people who are too much trouble.  That would be a very good way of keeping things controlled because anyone who makes trouble ends up dead.

Another possible thing that is going on is that they have no families and things like that.  So if someone is released, there is really not anyone to miss them.

Finally, I would say that they keep things organized by forcing the Sameness on everyone (though I don't know how they make the weather be the same all the time).  By making everyone be the same, they take away a major source of conflict.