> without any clear guidelines or regulations from government officials, the cannabis industry has taken a page from the tobacco and alcohol industries’ play book and developed strains of marijuana and concentrated marijuana products with much higher concentrations of THC, the psychoactive component that causes addiction. The more potent a drug is, the stronger the possibility of addiction and the more likely the person will continue to purchase and use the product.
Doesn't seem like there's any incentive to reduce potency.