So in order to understand not only the basics of the rule, but also the underlying implementation and exactly in what way it would crash, it may require more than a paragraph. I'll concede that. But this is common in programming. As an example, you'd probably spend some time understanding exactly why it is you can't free a pointer twice in C.

There's nothing stopping someone from reading the explanation in the React docs[0] if they want to understand.

[0] https://reactjs.org/docs/hooks-rules.html#explanation