Smoking is also enjoyable and gives people happiness and satisfaction. That isn't the point. The point is that cancers caused by drinking/smoking/being obese are preventable by behavioural changes.

Smoking has a pretty bad risk/reward ratio.

It’s better with alcohol and that is already not an ideal drug in that regard

Does it, in the same quantities?

Is one cigarette a day better or worse for you that one standard drink?

I’ve seen estimates of the increased risk of cancer from drinking at about 10%.

But it’s really hard to find actual estimates, most web searches just turn up the same ‘all drinking is bad’ message. I suspect the effect is small enough to be difficult to quantify.

Whereas some research puts the risk increase for getting lung cancer from heavy smoking at 2000%, or more. Twenty times the rate of non-smokers.