Right you are. Just like you can't assume that someone with 16 holes laying dead on the floor next to the 30 06 with 16 shell casings scattered about the room was killed by a gun shot wound. Many factors must be considered like time of day, windows open or closed, when they last visited the library. According to a couple of studies our good friend Colpy posted here back at the turn of the century, we're not even sure that guns kill people. It could be just the bullets so a stronger case for other possible killers is well documented. After all someone who sits in a room smoking a pack of smokes each night with the windows closed can hardly be linked to anything especially the carcinogenic properties of second hand smoke. It's like the nicotine is addictive myth.
You've convinced me, on this one, I bet it was those damn Liberals and Jean Chrétien!
Nice way to take things out of proportion...... you didn't provide the information in your hypothetical about how much your imaginary smoker smoked per day, if he had the windows closed and strapped their spouse into a chair, occasionally beats them, forces them to inhale all the smoke 24 hours a day...... oh and I also suppose the smoker also burns their spouse with the cigarettes too and eats the beating hearts straight out of newborn babies too while we're at it?
Point being is that just because a smoker and non-smoker live together for a period of time, that is not a guarantee either will contract lung cancer and if one or the other contracts lung cancer, it's not guaranteed it had anything to do with smoking.
What's really lame is that you try and compare a gunshot victim who was found recently with the weapon nearby..... to someone's habbit that may or may not expand over an extended period of time/years who contracts lung cancer.
So let's say I just started smoking last week and now I suddenly have lung cancer..... if you're going to contribute my lung cancer to the 7 days where I smoked a couple of cigarettes a day and not even factor in other things in my life that might have contributed to my condition, you obviously are in no position to make any sort of intelligent conclusion on the matter and are allowing your bias and hatred of tobacco to cloud your judgment in a way that you can only see one thing being responsible for my condition.
If you want a logical comparison, then compare your original situation of the smoker and non-smoker to a crime scene that looks like the victim committed suicide.
They have a hole in their head, they have the gun in their hand and a round or two was spent....... at face value, it must have been a suicide..... with your mentality, it's case closed I guess......
Oh wait, upon closer inspection, there's another set of foot prints near the victim, a window was left open, the placement of the gunshot wound and the positioning of the gun in their hand do not match up to what a typical suicide looks like and it would be impossible for the victim to make that shot and only a person standing away from them could contribute to what happened.
Same with lung cancer..... you can't just look at it at face value..... did they smoke or do they live with someone who smokes?
Let's say they did...... but what about the factor of them working a job that exposes them daily to various chemicals and substances they inhale?
Anybody working in a job that deals with plastics, solvents and other forms of chemicals have an increased risk of contracting an illness relating to those chemicals..... lung cancer is one of those illnesses.... and believe it or not, but many in our society work with many chemicals every single day that can affect your health and your lungs.
Do you think those laser printers in your office or right beside your desk are perfectly safe? The Toner fumes that come from those printers have many chemicals that have been documented as producing various respiratory complications over an extended period of exposure..... some being similar to heavy smoking.
How about those PVC vinyl shower curtains?
Ever notice that chemical smell you get when you first take them out of the packaging and that smell that lingers around in the bathroom for days, even after you soak them?
^ That's not good for you either.
The point being is that there's a number of things that can contribute to lung cancer..... or any cancer.
Just to sum up someone's death to cancer as them being a smoker is pretty ignorant.