There are absolutely enormous anti-smoking adversing and education campaigns. Cigarettes are mandated by law to have very specific packaging that loudly lists the risk of death. Large taxes are placed on them. In a great many places you are not allowed to smoke in public. Smokers have higher health insurance premiums and cannot access certain kinds of medical care like various organ transplants. Selling a cigarette to a child is a crime. Exposing children to second hand smoke can be abuse.
And yes, there are a large number of people who sue Cigarette manufacturers for their role in the deaths of these people with the attempt of completely destroying the industry.