Conservatives as a whole are easy people to sell to. They have a fundamental revulsion to change, regardless of how positive it is, and their ears will perk up whenever they hear a point of view which matches their own prejudices. Texas, therefore, is an easy sell to Texans who tend to skew conservative. Just spend a few days in the state and listen to television and radio ads. They don't say "Texas." They say "Teckshussssssssssssh."
The culture of the state is by and large indistinguishable from that of Alabama or Mississippi with the exception of cowboy hats, large belt buckles, and a predisposition for beef over other superior forms of barbecue.
I've lived there. I'm moving back there. But virtually my entire group of friends who lived or still live there didn't originate from there... and people who have come from other areas of the country or world tend to snicker or roll their eyes when a Texan starts bragging about that particular culture.