Intoxicating – Any substance that can cause you to lose control of your faculties and alter your behavior is considered intoxicating. Almost all illegal drugs have intoxicating properties, although worldwide most intoxication cases are attributed to alcohol. Intoxication can be caused by substances that directly affect the brain (i.e., psychoactive) or by indirectly causing damage to your organism (i.e., through toxicity, hence the term).
They’re just saying if you haven’t already been introduced to nicotine, why start? Nicotine is a habit forming drug and vaping has Nicotine in it’s Vape juices… but if you intend on Vaping @ 0% Nicotine, then you are Right, it wouldn’t be a problem… but sometimes temptation for kids in school for instance, Vaping for leads to adding that nicotine to the equation… cannabidiol