When there are enough customers, individual customers do not matter.
https://www.macrotrends.net/global-metrics/countries/ita/ita...
And the curve is the same across almost all the world. Italy is 1.3, you need 2.1 to even tread water and keep the population you have. Who buys the stocks and fentanyl when each year you have less and less buyers?
Sure, they're OK with some heroin addicts. I'm suggesting they drew a line in the sand.
(It follows straight from the general population decrease.)