Qatar had left OPEC during its 2019 dispute w/ Saudi Arabia, Egypt, Emirates and Bahrein. Since then, they focused on LNG. Now, w/ the Emirates leaving it, OPEC is even more fractured. Countries that don't like OPEC cartel prices can deal w/ Emirates or Qatar, or even Russia or Iran, if they don't care about US trade relations
Once the islamic regime in Iran falls, Iranian oil will be back on the world oil markets, lowering their prices. If and when the Ukraine war ends, Russian oil too can return online. At that point, the oil suppliers will be too fragmented, and a new Iran may not be as accommodative of Saudi desires, given their own priorities in economic recovery. Same w/ Russia once their war ends, or in a post Putin regime