Why is the concept of the "Westphalian system of states" considered by many as a flawed representation of reality?

Why is the concept of the "Westphalian system of states" considered by many as a flawed representation of reality? (select all that apply)

It became obsolete after WWII.

It portrays a Eurocentric interpretation of world history.

It assigns primacy to the nation-state and ignores individuals, groups, and non-state actors.

It was conceived in the early 1800s.