Lead was used in Egyptian pottery many thousands of years ago.
There’s a plausible theory that tomatoes were mistaken for poisonous due to lead dinner plates of that era.
With the possible exception of the counterfeit wine example, that’s all very ethically different from pumping it into the air.
"Lead acetate, also known as sugar of lead, is a salt that (ironically) has a sweet flavor—a fairly unusual quality in poisons, which are more likely to taste bitter, signaling to the taster that they are unsafe for consumption. The ancient Romans used the compound—which they called sapa—to sweeten wine"
https://www.smithsonianmag.com/arts-culture/sugar-of-lead-a-...
:: looks on past in abject horror ::
You are literally a winning lottery ticket, so enjoy it while you can.