50% bond share in the FAZ “Wunderportfolio 2.0” makes strategic sense?

The Frankfurter Allgemeine Sonntagszeitung recommended the following portfolio balance in this article [[Link]]: 50% stock ETFs, including 25% each • USA, e.g. iShares S&P 500 • Europe, e.g. Xtrackers Stoxx Europe 600 • Japan, e.g iShares Euro Aggregate Bond • Eurozone corporate bonds, e.g. iShares Core Euro Corporate Bond Taking into account the fact that there are no