Actually, I don't use marijuana. I can't stand it. It makes me too uncomfortable & I find nothing pleasurable about it.
1 in 20,000? In Medical states? I'd say your estimate is grossly conservative. I don't know 20,000 people but I know at least 20 medical growers here in Multnomah county alone. That's not counting Clackamas, Washington & surrounding counties. So, maybe you'd better take a closer look at the states in the states in question.
$200 gets you a license with a simple complaint. It's the largest trend since Christianity & makes much more sense in any case.
And no, I'm not confused about Feds trumping State. The fact that the Feds have chosen to actively pursue busting state registered businesses & growers at the cost of life, liberty & $$$$ is a goddamn shame. It's about time resources were pulled from this practice. The medical pot business is earning a SHITLOAD of revenue now. Legalizing is another issue but should definitely be considered when looking at how much money this generates at this scale alone.