Why is there perpetual war in the Middle East?

Consider for example 

https://en.wikipedia.org/wiki/Houthi%E2%80%93Saudi_Arabian_conflict?wprov=sfla1

Why are the Houthis and Saudi Arabia in conflict? Who knows? I certainly don't. Why do people in the Middle East need to be in so many conflicts?

We don't see that in Latin America, Canada, Australia, or Europe.