That flamethrower is awesome. What use does a flamethrower have though besides burning buildings, that a normal gun wouldn't?
I may have missed my calling . . . .
That is where the saying comes from.
It can be more effective at clearing bunkers and closed rooms? The military were using these in WWII for trenches, bunkers, clearing brush. My friend's grandpa in US was operating one in the Pacific during WWII.
I just brought it was an example how something potentially more deadly than guns or RPGs is not much regulated and how laws are not very rational sometimes.