You couldn’t be more wrong, Cannabis Use Disorder is a huge problem and on the subject of addiction…
Contrary to popular belief, people can become addicted to cannabis. Continued, frequent and heavy cannabis use can cause physical dependency and addiction. Some people can develop tolerance to the effects of cannabis. Tolerance is characterized by a need for larger doses of a drug to maintain the same effects.
https://www.canada.ca/en/health-canada/services/drugs-medication/cannabis/health-effects/addiction.html#