They can decide to withhold a potentially suspicious product or perform additional checks
When it comes to choosing your flavour, the majority of people want something that tastes the same as their current cigarette
If a person is suffering from depression and other mental illnesses, smoking can be an option for relief, giving that person false hope, only to fall into more anxiety, and complicated mental illness, and ultimately not being able to deal with the root of their problems, but rather having it masked with the relief and ease of their pain and discomforts
Further testing of other aspects of insert design, such as message style (eg, relative vs absolute) and framing (eg, positive vs negative framing), and inclusion of efficacy statements, would also be of value