President Obama's response involves a hasty generalization fallacy when connecting non-payment for meals to contributing to the national debt.
The rhetorical device used by President Barack Obama in the given scenario is hasty generalization. Hasty generalization occurs when a conclusion is reached based on insufficient examples, not necessarily representative of the overall claim being made. In this case, accusing individuals who don't pay for meals of also not paying taxes, thus contributing to the national debt, is a hasty generalization.
Using a biased sample by focusing on a specific group of individuals (diners at expensive restaurants) to draw a broad conclusion about tax payment and national debt is another related fallacy. This fallacy undermines the argument's credibility due to the lack of comprehensive and diverse evidence.
It is important to avoid hasty generalizations and biased samples in arguments to ensure the validity and soundness of the conclusions drawn from the presented examples.
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