If it turns out these changes are politically driven, then the surge may very well reverse if political power changes hands.
In conclusion, this argument unfairly assumes a predictable future course for both supply and demand. To strengthen the argument, the author must at the very least show that demand for new restaurants has not yet been exhausted , that Spiessa can accommodate new restaurants well into the future, and that the people of Spiessa actually want to eat out more.