https://www.npr.org/sections/health-shots/2013/04/17/1776023...
> In 2010, Purdue Pharma LP replaced the original OxyContin with an abuse-resistant form, in an effort to reduce deaths and overdoses caused by the powerful pain medication, which was licensed in 1995.
> The new version of OxyContin includes an ingredient, a polymer, that makes it harder to crush and snort or inject to get a quick, heroin-like high. When the new version was introduced, Purdue pulled the original OxyContin off the market. The patent on the new version runs until 2025.
> On Tuesday, the FDA said that it won't approve generic versions of the original formulation of OxyContin, a long-acting narcotic pain medication, which went off patent that day.
Pills are much easier to transport, particularly fentanyl with its small dosing amount. And one of the most dangerous things is meth, since recently it’s now being developed from shelf-stable chemicals. https://www.theatlantic.com/magazine/archive/2021/11/the-new...
I mean, there are test kits, I just don‘t want to bother.
(It's also not a weed, really, just like it's not a pot.)
That, and it may be easier to grow in a laxer jurisdiction and transport it to a stricter one, than just trying to grow it in a strict one.