He opines on many topics because he likes hearing his own voice.
He is barely conversant on economics.
https://www.vanityfair.com/news/2007/07/sachs200707
Was he "educated" on the topic of whether COVID was the result of a lab leak in Wuhan? If so, what are those bona fides?
Is he educated on the Ukraine War? If so, what are his bona fides? His fellow economists think he isn't
https://www.columbiaspectator.com/news/2023/04/09/economics-professors-condemn-jeffrey-sachs-in-open-letter-on-russia-ukraine-war/