A luxury car dealership in Taquitoville is expected to close due to competition from an Alexa dealership, which also sells luxury cars. Nevertheless, the demand for cars in Taquitoville will be sufficient for a new dealership to succeed as a new business. After all, in previous years, the Dealeo discount car dealership in Taquitoville has driven several other dealerships out of business, but in every case there has been sufficient demand for a new dealership to enter the city and be successful for a time.
Which of the following, if true, most seriously weakens the argument?
【选项】
The demand for luxury cars in Taquitoville has decreased over time.
选项是否正确？