The region will not calm down as long as there are those who profit from the crisis. And as you mentioned in the example I really liked, by the way, as long as there is an Englishman in the picture, don't expect to see peace anytime soon. The Englishman has evolved and is now wearing American, Chinese, and even Russian clothing, since everyone is forced to be a party to the conflict that is to choose an ally in the conflict according to their interests, thus prolonging the war.
War is a full economic cycle from which arms manufacturers and sellers benefit, and through which the inciting countries achieve geostrategic goals. However, its impact on local economies is disastrous because the countries in conflict drain their resources to purchase weapons that will be used to destroy the resources of the enemy, which is also a country with its own economy and resources.

Kashmir and Palestine are two clear examples, but they are not the exception, because every place once colonized by Britain has today become a conflict zone. In the Arab region, we have the Palestinian case, which is a British creation. A little further north, there is the Kurdish issue, which Britain left displaced on the borders of four countries (Turkey, Iran, Iraq, and Syria) after the Agreement to divide the Ottoman Empire following its fall in WWI. It is one of the most hushed-up issues in history, and the Kurds continue to resist persecution from all sides on their way to realizing their dream of an independent country.