They have Trump 2020 - Make Liberals Cry Again magnets on their cars.
Not all of them are bad, but most are, unfortunately.
There are polls out there suggesting that the people moving to Texas from elsewhere are actually more Republican than native Texans. There was a pretty famous exit poll from 2018 that showed Beto O’Rourke actually winning among native Texans, and that Cruz only won because he won even bigger among the transplants.