Eli5: How effective were flamethrowers when they were still in use in the military and what were the dangers of operating one?

Question

Eli5: How effective were flamethrowers when they were still in use in the military and what were the dangers of operating one?

In: 57

Answer 1

For a specific purpose (clearing tunnels, bunkers etc…) it works. It’s sticky flaming goo and it kills people.

As for dangers, it’s sticky flaming goo.