"guns as causing murder, meat as cruelty to animals, tobacco/alcohol as causing health issues, CO2 as killing the planet, etc, etc, etc." you just described the PRO-PORNOGRAPHY crowd, way to go.
For centuries, naturally conservative America, could control those leftists, but now some of them even hang out with conservatives while promoting liberalism.
Ah, so it's about "controlling" people... in a supposedly free society?? And you're here on FreeRepublic??
"Life, Liberty, and the Pursuit of Happiness" means just that, and just as much as "the right of the people to keep and bear Arms, shall not be infringed" means (should mean) just that.
You may not like some libertine individuals' pursuit of happiness any more than they like you keeping and bearing arms. Too bad.