I'm not sure if this answers your question but this is what was explained to me when I worked in retail pharmacy.
Patient has opioid addiction from being on painkillers too long/too high a dose/abusing script. The patient has multiple doctors and specialists and requests painkillers from as many as they can get.
Doctors then become wise to the situation. Set the patient up on a "pain plan." Now the patient can only fill opioid scripts from one doctor at one pharmacy.
I have been working toward a permaculture garden and landscaping with native species. Mostly consisting of small slow changes to increase insect habitats and food sources for local fauna. A local nature conservation program nearby sells permaculture plant sets to encourage the use of non-invasive species. I think the idea is gaining awareness. You might enjoy the documentary biggest little farm.
https://www.biggestlittlefarmmovie.com/