Simple.Texas can't change the constitution .
14th Amendment: why birthright citizenship change 'can't be done'
Texas cannot, but a SCOTUS ruling on the language of the amendment could return is to its original meaning, as did Heller for the 2A.
Yep, the activist conservatives can make the law up in 5-4 decisions. Funny, how real conservatives opposed activist judges and the new iteration of 21st Century conservatives like it when they like the ruling and piss and moan when they don't.
Correcting a mistake made later in the country's history is not activism.
Corrections are called "Constitutional Amendments"- which is your recourse to what you consider to be an incorrect law.