Article is in German: http://www.businessinsider.de/bitcoin-experte-krypto-waehrungen-werden-aussterben-2017-9 He talks about Bitcoin beeing a ponzi (only the founders are becoming rich) and in the future governments will fight Bitcoin and this will lead to a big dump and the death of Bitcoin by 2040. Adi Shamir is one of the inventors of RSA. Shouldn't he know better?
He knows his math like no one else. But I would say he is not an expert in predicting the future any more than anyone else.