That's conventional wisdom but I'm not sure it's accurate.
Lots of people moving to southern red states are retirees who vote Rep.
Native Texans voted for native Texan Beto O'Rourke, transplants went for Ted Cruz, exit poll shows
Thanks for posting the 2018 Cruz exit poll.
That poll is major political news, and I have never seen it before.
I will guess that a majority of new births in Texas has been Hispanic for several decades?