Its a sham. If they were doing it for real the Globalists infesting Mordor-on-the-Potomac would send the US military in to keep the border open and protect the Third-world hordes from those evil, racist Texans.
If los Tejanos were really pretending to secure the border the feds would have sued by now.
The federales believe that only they should be allowed to pretend to secure the border.