Don't forget that the SAS handbook is pushing 20 years old. When it was written the Cold War was still on. It still has it's points but there are better books on the market now.
I do wonder if striking a spark into a pile of propellant would be more effective?
Given the prevalence of decent firemaking equipment, one tends towards the attitude that anyone dozy enough to go into the countryside without the basics ought to the decent thing & shoot themself when they get into trouble. Thereby saving Ma Nature the inconvenience of Darwining their ass.... <img src="/images/graemlins/tongue.gif" alt="" />