Global South, i.e. BRICS+, sells and consumes huge amounts of oil.
Russia has proven mineral reserves of $75T, most in the world by a fat margin. If they stop selling their oil they're done, and so are China, India, Japan, and parts of Europe. BRICS don't have the ability to drop oil without catastrophic impacts on their food and energy systems.
>Yikes
Climate science is hard. The margins of error are wide. They already have a track record of being overly aggressive on predictions.