The funny part about the Smoking plan is that it will not win them any votes and may lose them some. The young, the people he is impacting, will not be voting Tory. A recent YouGov poll put 1% of 18-24 year olds intending to vote Tory at next GE. The older generations who are more likely to smoke anyway would be neutral at best.
The funny part is that the Tories have always claimed to be the party of the "small state" and against the "Nanny State", etc. and here we are