OK so this is a different hack than Bloomberg reported before: ethernet jack piggyback instead of bmc. I'm not sure this adds credibility to the allegations in the other story.
The details that Bloomberg related previously are so different that this couldnt be what they originally were reporting on. This adds to the China hacking server board narrative, but it does nothing to prove the Bloomberg reporting actually true.
It does cast doubt on the denials made previously.
It seems this story isn't totally smoke and mirrors as Apple, Amazon and Super Micro seem to want us to believe.