While I understand this point of view (not strong enough will to quit), I disagree.
Behind a strong will, usually stands a strong reason. Twice I had a strong reason to quit and I did (first for a year, second for a month). Once the reason disappeared, I started smoking again even while I didn't feel the need to smoke anymore.
You see, the "I might die" argument wasn't good enough for me, in my mind it looked like "I might die" as I might die from anything else. And this is how our brains works by the way, for people who quit, the same phrase probably looks like "I might die".
After birth of my kids, I started thinking again the possibility to really die from this poison and gone from "I might die" to "I might die" but I really liked smoking so I searched for a safer alternative to continue enjoying cigarettes.
Before buying an ecig, I spend 18 straight hours reading everything about it (by the way, reading about ecigs didn't stopped there). And it looked like it has 5% of the dangers of smoking while keeping 100% of the pleasure. If cigarettes were alcohol I would say that I feel like I switched from a bottle of scotch per day to a glass of scotch per day (danger-wise).
Now, my body is like I am not smoking, on the first week I started to sleep better, got my sense of smell back, and started to breathe better. On the second week, my heart stopped "playing drums" every time I made anything physical. Many weeks, then months followed and I was feeling better and better until about sixth month from where on, I don't feel any more improvements are made. I feel like a non smoker.
Now, I know that not vaping at all is even better. Of course it is! For our lungs, everything is worse than mountain clean air. But why exercise my will to cut little - much needed - enjoyments from my life when it doesn't really matter?