> My understanding is also that homes in Texas generally also have substandard insulation because they come from an era where it was feasible to just open a window and get a breeze going.

Uhh no. It's because it is cheaper. Especially homes built in the last five years seem to be lacking on insulation.

> Texas is basically a fractal of aggressive and deliberate fuckups all the way down, because ain't no ivory-tower elitist going to tell ME how to build my house/grid/power plant!

Yes. Please don't move here and tell all your friends not to move here.