People smoke cigarettes primarily because they are profoundly addictive, both chemically and psychologically. That confounds ordinary risk/reward analysis, and so I think it is a red herring here.
Also, the "Hope you..." phrasing makes your comment come off as a bit sneering/condescending, just FYI.
Also, the "Hope you..." phrasing makes your comment come off as a bit sneering/condescending, just FYI.