Although my understanding of economics supports taxation as a mechanism of changing behavior (marginal changes in the economic jargon not meaning "minimal"), my

Although my understanding of economics supports taxation as a mechanism of changing behavior (marginal changes in the economic jargon not meaning "minimal"), my understanding is that cigarette taxes haven't had much effect changing behavior, possibly because of addiction, possibly because the taxes aren't high enough. There's also the complication that the excise taxes become a recurring source of revenue, causing a new addiction.