>I learned that 〜ことになっている means to be scheduled to do something or to be expected to.
That's an explanation for beginners, which is at first easy to understand but won't get you anywhere in the end, like now. I recommend you should stop interpreting Japanse using English conceptions to understand it by its own logic; They are, after all, totally different languages.
A temporary conceptual presence.
thing temporarily defined as true/good
thing defined as true/good by somebody.
A perpetual/unmovable presence.
thing perpetually defined as true/good
thing defined as true/good from the beginning of the human world.
You can use umbrellas here; (Someone made it a rule).
Family is good. (No doubt)