The demand for Meth and the need to protect their resources against other gangs. I sure as heck haven’t have heard of them stopping the cops.
There are good historical reasons for outlawing drugs. I used to buy that crap about the drug laws being a bad idea, but I looked a little deeper. I think that drug laws are a danger to personal liberty, but I think drugs are an even greater danger to social order. Given a choice, I have to choose the drug laws.
Why should your personal weakness result in SWAT teams at my door?