Somebody did write a whistleblower article about D.E. Shaw, it was just about other aspects of their business/affairs [0]

> As soon as most applicants arrived at their first interview, they signed nondisclosure agreements. If hired, they signed more, which may be why former employees spoke with us anonymously

We don't know what we don't know. That having been said, I also believe that if what DES were doing were truly and obviously illegal, someone would have burst it by now. [0] https://www.propublica.org/article/hedge-fund-billionaires-d...