I would recommend https://podcasts.apple.com/us/podcast/why-are-drug-dealers-putting-fentanyl-in-everything-part-2/id1614253637?i=1000624865502 https://podcasts

I would recommend https://podcasts.apple.com/us/podcast/why-are-drug-dealers-putting-fentanyl-in-everything-part-2/id1614253637?i=1000624865502 https://podcasts.apple.com/us/podcast/why-are-drug-dealers-p... , but the TL;DR is roughly "drug addicts are highly motivated by their addiction to find the most powerful drugs they can, to get the most powerful high they can get. Fentanyl being so strong that people overdose is, in this regard, a selling point"