Also, Texas is a big place. It spans multiple climate zones. The author seems to be describing West Texas but other parts of the state are completely different.
My advice * It's hot! (And often very very humid depending on local. ) You need AC. * The worst part of Texas towns are 4 lane highways bisecting most of them. Avoid that... * But you still have to plan to allow people to use cars. That has to be incorporated into the design. As does pedestrian and cycling life. All need to be facilitated to some degree. * Sidewalks, please. I've lived in FL, OR and now TX in the past 5 years. Far to many residential streets in all these places completely lack sidewalks. It makes taking an evening stroll with the family stressful when you are sharing the space with cars. * Parks. Can't have enough of them.