Not all demand is equal. If your customers are Indians, Chinese, and Filipinos, your ability to sell $100/barrel oil (needed to balance budgets in many of these countries) is much weaker than if your customers were Americans, Germans, and Japanese.
It is unfortunate from a short-term local human perspective but Saudi Arabia devolving into anarchy would be excellent from a climate change point of view - a huge amount of CO2 would be locked into the ground and the price spike would dramatically speed up electrification of transport.