A senator, near the end of his first six-year term and running for reelection, made the claim: "Citizens of our state are thriving. While national unemployment levels have remained high, our state unemployment rate has been at astonishingly low levels for eleven years running. Clearly, everyone in our state has benefitted from the economical packages I have introduced during my time in the Senate. Therefore, grateful citizens of our state ought to vote for my second term."This argument is most vulnerable to what criticism?
【选项】Even if what the senator is saying is true, it may not be in his self-interest to argue in favor of it.