As a deterence, yes.
Remember, Yamash*ta was on the verge of losing but 'cos his wayang
skills were so good, Percival was snooked into surrendering first
thinking the Brits were worse off.
Going by your theory, most if not all SEAsian countries have no had
wars for ages too. So should they all cut defence spending? Better
yet, should they all disband their militaries? 