The Rolling stone article is almost a year old.
https://www.rollingstone.com/culture/culture-features/oregons-weed-glut-what-happens-to-excess-pot-697985/

Oregon now has 1,012 licensed growers, with another 956 in the process of obtaining licenses. All those growers in a state with just four million residents has resulted in a mountain of marijuana. Nearly one million pounds of usable flower remains unsold – about three times what consumers purchased in all of 2017. Prices of the recreational drug have plummeted, with dispensaries selling pre-rolled joints for $1, less than the price of a cigarette.

That leaves growers to face tough decisions. Some are getting out of the business altogether. Others are struggling to stay afloat. If the product can’t be sold before it goes bad, the legal method of disposal is to burn or compost it. For growers with no other options, that means churning all their hard work and money back into the soil or igniting it into an expensive, fragrant bonfire. Officials say desperate growers are increasingly turning to the black market"