If you read it carefully, you will see this:
"Altogether we still consider that even if nicotine could have some beneficial effects..., the multiple risks related to smoking far outweigh the conditional beneficial effects of nicotine. "
And if you read carefully, you will see that this post is not about smoking. It is about nicotine being used as a liquid, patch etc. (not smoking) that has beneficial effects that the medical industry would want to control.