The discussion revolves around the hypothetical scenario of whether smoking would be popular if it were not harmful. Participants argue that the current perception of smoking as undesirable is due to its health risks, high costs, and unpleasant odor. Historical context is provided, noting that many adults smoked in the past when it was socially acceptable and considered stylish, despite some awareness of its negative health effects. The conversation highlights the evolution of public understanding regarding smoking's dangers, with references to tobacco companies' past denials of health risks and the addictive nature of cigarettes. Personal anecdotes illustrate the struggle with smoking addiction and the societal shift in attitudes toward smoking. Ultimately, even in a scenario where smoking posed no health risks, many express they would still avoid it due to its cost and social stigma. The discussion also touches on the historical references to smoking and the perception of its health implications over time.