They are still swinging red in terms of how much they net the GOP and also I cited the trends and really the way it’s going right now shows a purple Texas in the 2030s not a blue one .
TX other than 2012 to 2016 has not had a cycle where it has trended massively blue which shows growth isn’t actually pushing it as Dem as you think .
Most of the exurbs of the Texas Triangle are trending Dem too, they still vote GOP
overall but over time it's becoming less and less. Even a lot of the Houston exurbs are trending D overall.