For some people at that time, smoking was a non-trivial part of their identity. Or even a significant part of what it meant to be a proper Englishman (that and tea). Fisher strikes me as that sort, just look at pictures of him.
The (fairly obvious) lesson here is that people lose their objectivity when it comes to fighting over stuff that involves their identity.
The (fairly obvious) lesson here is that people lose their objectivity when it comes to fighting over stuff that involves their identity.