.... Good move. In the excellent
Essentials of Sea Survival the authors point out that ripping open survival gear packed in plastic pouches becomes significantly more difficult in cold weather due to the plastic getting stiff in the cold plus loss of manual dexterity.
When you are cold and wet, or simply stresses, simple tasks can become difficult.
Many lighters (at least in Aus) have a safety / child proof mechanism on them. I remove this on my lighters so that they are easier to use.