Every country is using the resources at its disposal to protect its national interest. Joe Biden administration is not pleased with the human abuse that is spearheaded by the Saudi government headed by Mohammed bin Salman Al Saud. The crown Prince is gradually tilting toward Russia and China to seek partnerships. The cut in oil prices is spearheaded by Russia and other oil-producing nations because they want the price of oil to go high so that they can make more money. I am sure that the members of BRICS such as China and India will still enjoy discounted crude. But this influence will not last for too long because crude oil will soon become obsolete.
Not every country has this opportunity. The US has been supplying a lot of weapons to Saudi Arabia and Saudi Arabia has had conflicts with Iran since 2015. American politicians used this conflict to achieve their goals. Now China and Russia are entering the game, and before they kept aloof from this country. Geopolitics is starting to change.