Exactly my thinking too!
Initially I thought Mordor was the Rust Belt - the (former) center of U.S. car manufacturing - but from a sustainable energy and climate change perspective the heart of the U.S. oil industry is Mordor...
Also, in the next 5-10 years demographic trends suggest that Texas will turn purple, then solidly blue. Urban concentrations are already blue. With time a great state could be as supportive of Tesla as California - and this might protect Tesla on the federal level as well.
Texas is a great place to start a new Gigafactory.
For example, similar to the GF4 site (parts of) Texas has lots of cheap, wind-turbine generated electricity.