> I believe this is akin to "people who drink x% a day have no problems", it's _static_. What it totally ignores is that the addictive substance subtly changes

> I believe this is akin to "people who drink x% a day have no problems", it's _static_. What it totally ignores is that the addictive substance subtly changes behavior over time and x% of those people go on to become full blown addicts. Great point, I had not heard that before.