IF one buys the argument that it’s D9-THC and only D9-THC that makes or breaks the hemp/marijuana distinction, growing “compliant” material at 25% total thc is not difficult.
Getting it to the consumer before that spell wears off may not be trivial, and it’s sure as fuck weed as soon as any “crime lab” looks at it.
Presumably this distinction is how @cannabis_terpenes and others are running their game…
“Hemp” till the terpene isolation, then compost. Terps are “cannabis derived”, because hemp IS cannabis…