They likely believe that the more conservative political atmosphere in Texas is an unsuitable place to raise children, especially young girls.
How things can differ so hard that you decide that place is unsuitable to raise children?
The rights and restrictions you see in one state can differ wildly from the next. This allows for drastically different cultures to pop up.
There is still a lot of shared US culture despite this.
Edit: I'm missing the point, they said Texas, not Austin.