“More than one-third of participants felt that daily smoking of cannabis was safer than tobacco, and their views increasingly favored safety of cannabis vs tobacco over time (1742 participants [36.7%] in 2017 vs 2107 participants [44.3%] in 2021; P < .001)”
The benefit is that it isn’t chemically addictive. It is behaviorally addictive though. Both are very bad when inhaled (of course).