There is no chaos here
This conference was larger and more diverse than the previous two, in New York (1967) and London (1971)
NVP products sold in pharmacies are made under stringent pharmaceutical standards on the manufacturing process and ingredients, are toxicologically assessed for inhalation, are locally insured, and are specifically designed to help you stop smoking
However, they often come at a higher cost and may have specific performance considerations
13 Parliament of the Republic of South Africa, Finance Committee Outraged by Irregularities in Steinhoff, Press Release, 6 December 2018, 14 FSCA Levies Record R1.5 Billion Fine against Steinhoff International Holdings N.V
You can see why really Hitler was ahead of his time in terms of the the warnings against cigarette smoke