See Post 31.
Natural born means you are a citizen as soon as you are brought into this world, period. Birthright citizenship. Cruz meets this criteria.
You’re either a birthright citizen (natural born) or a naturalized citizen.
If you disagree, please cite chapter and verse what other kinds of citizenship there are and how one would go about acquiring them.
I just read the article. I am not a lawyer. There appear to be legal arguments here. Did you read the article?