In a fact sheet titled “Flavored E-cigarettes Hook Kids,” the U.S.-based Campaign for Tobacco-Free Kids asserts that “Flavored e-cigarettes are undermining the nation’s overall efforts to reduce youth tobacco use and putting a new generation of kids at risk of nicotine addiction and the serious health harms that result from tobacco use.” Let us call this “the activist proposition.”

The challenge with simple but false activist propositions is that refuting them can require a lengthy embrace of more complex arguments. [...]