His problem with Lee is the bill.
Here's what everyone keeps forgetting about taxes. With cigarettes, there's an illegal black market for non-taxed cigarettes. That's because the tax is pretty high. States tax gasoline at different rates. It may be $0.50 cheaper per gallon only a few miles away. These reasons are why people buy black market cigarettes, and why people drive across state lines for gas. Its to avoid the tax.
Translate that to a marijuana tax, if the tax is $150 per ounce, then you'll see a black market for it. If the tax is something like $50 per ounce, then the black market will still be there, just not as prevalent as before. Politicians know they cant tax it too strong, if they do.
All I'm trying to say, is there's no reason to "fine" each consumer of marijuana each time they buy a pack of joints just because they can. Its the same thing as smoking tax-free illegally and getting a $250 citation every now and then if you get caught. Both are just wrong.