Then you must be in favor of banning all electronics, batteries, in-flight movies, instruments and fuel.
Fires on planes are generally electrical and not intentionally started. In fact I have never heard of one that was started by a passenger and neither has my son in his 17 years as an airline mechanic. (Not including 7 years as a mechanic in the Air Force)
The two deadliest pieces of equipment on a Navy ship are the electric clothes driers and the deep-fat friers.