"Speed limits, anti-SPAM laws, (once again)... noise ordinances, public drinking... etc."
Yep, and most of the legislation is un-necessary for people of sound mind and strong character. The weak need the government guns to bend the world to thier preferences. The legitimate laws are based on actual harm that would result. SHS doesn't cause actual harm. By your own admission you appreciate the legislation to ensure you don't have to smell a certain smell. Who gets to appoint the smell police?
Why the hell should you be able to ruin my experience at dinner, or the ball game, or at the beach just because you can't live a few hours without your recreational drugs?