Did Col. Zolo learn the hard way that violence doesn't solve problems??

So I am making two points here.

The first is Colonel Zolo was partially justified in a way. It is totally illegal to remove archeological artifacts out of most countries without permission from the governments. Yet, here we have these foreign thugs and newly minted thieves trying to steal his country's antiquities and he was Minister of Antiquities after all. Perhaps if he had realized violence does not solve your problems but makes them far worse he might have been successful at solving all these peoples' problems. He paid the ultimate price for his belief in use of violence and corruption. I think there may be a moral in that story for all leaders from this movie.