Roubini is a clown heavily mocked even by the traditional finance world and this article is from 2019.

“95% of btc volume is fake” weve known about asian exchange wash trading for the better part of the decade, its why their volume is excluded in aggregates. Theres still undeniable substantial real volume on the top 10 exchanges by users. Coinbase is not committing investor fraud as a fiduciary by reporting false numbers.