Issues with Theranos and the company's claims have been widely reported. One of the reasons there were discussions here on HN was that the news and articles that brought up these issues were submitted, voted up and then we all had a discussion on those articles and videos.

The WSJ reporting in particular has been deeply investigative where most of the rest of the media has just sniffed around at what appears to be a problem. Holmes' interviews in particular are some of the weirdest things I've ever seen, here's a fairly typical example: https://www.youtube.com/watch?v=A8qgmGtRMsY

Here's some examples of the media coverage of the company:

https://www.google.com/search?hl=en&gl=us&tbm=nws&authuser=0...

and here on HN

https://hn.algolia.com/?query=theranos&sort=byPopularity&pre...

and specificially about Holmes

https://hn.algolia.com/?query=elizabeth%20holmes&sort=byPopu...