My immediate thought is that smoking overall is falling and falling, so maybe advertising does more than shift brand loyalty of existing customers.
Semi-related: I was pretty convinced that smoking was at maybe 5% in Canada based on my observation that almost nobody where I've worked and gone to school smoked. Turns out it's closer to 25%, which was shocking. I came to realise that smoking must be very very concentrated among specific demographics as to insulate me from it. Got me thinking about how my perception of advertising for smoking may also be very very off.
Smoking in the United States and other developed nations is declining, but it’s rising worldwide. Tobacco companies simply shifted their focus to poorer, less educated nations and they’re taking in the money.
https://en.m.wikipedia.org/wiki/List_of_countries_by_cigaret...
While smoking rates have leveled off or declined in developed nations, especially among men, in developing nations tobacco consumption continues to rise.
Of course it may not matter in the sense that cronyism could ensure the burdens are placed on one group, and the benefits concentrated in another. I don’t know enough about China though, to say more.
In reality, I don't think this adds up (why haven't they done the same in the EU and other jurisdictions? didn't they also have to pay massive fines? etc.).