Because in that case, whatever goods might be had from the habitpleasure, relaxation, focus, etc.are massively outweighed by well-established harms: damage to the body (especially the lungs), drastically increased risk of disease (particularly cancer and cardiovascular disease), addiction (which is economically burdensome), and harm to ones character (clear violations of the virtue of temperance, for example)
However, it's essential to choose a reputable brand and product
Cigarette smoking is a major preventable risk factor for PAD and is strongly associated with a higher risk of disease progression, worse post-procedural outcomes, and increased healthcare utilization
The umps know it, and even they dont enforce it
Some guys like the process of packing a lip