Of course, the difference is that Stanley Ann was too young to transmit citizenship, and Cruz’s mother was not.
Age of the mother is only relevant if it can be proven that the birth took place outside of the U.S. Thus far, no one has been able to convince a court or Congress that birth took place outside of the U.S.
“The state of Hawaii has said that the president was born there. That’s good enough for me.”— Rep. John Boehner, Meet The Press, 2/13/11
“Whereas the 44th President of the United States, Barack Obama was born in Hawaii on August 4, 1961.” House Resolution 593, 111th Congress, 2009
(Vote on the Resolution 378-0).
https://www.govtrack.us/congress/bills/111/hres593/text