Page One of our manual states something to the effect that not all operating contingencies are addressed... and that common sense and good judgement must not be constrained in any situation....Which is to say that if the GPWS goes off in VMC conditions in broad daylight with no obvious threat of terrain proximity, then the PF would not respond with avoidance action.
This is not about "individualizing" any procedure, it's about utilizing one's reasoning ability and one's eye balls to ascertain what's an obvious false warning.
Smoke does not always indicate a fire; it could be a smoke machine. Remember?