Isn't Austin a city that is growing, continually attracting people? If so, it is not a valid example against their claim. If you allow some pedantry: The clai

Isn't Austin a city that is growing, continually attracting people? If so, it is not a valid example against their claim. If you allow some pedantry: The claim is that _cities that don't keep growing_ go broke: a->b Showing ~b (Austin didn't go broke) only allows you to deduct ~a (Austin is growing) by modus tollens