We don’t drink Coca-cola. We don’t drink Pepsi-cola. We don’t smoke. So many things which are selling in the market in huge quantity by advertisement, by victimizing the poor customer. But they are called unnecessary things. There is no need of such things.

From Srila Prabhupada’s lecture on Srimad-Bhagavatam 7.5.30 — 2 October,
1975