These look exactly the same as the ones by firms that became successful!
Obviously, the Theranos deck wasn't pitched to people with the requisite knowledge...
The level of process you're talking about usually isn't in a deck; it's usually "get sample - mail it in - get results."
Decks are pitched to investors, who most of the time have more money than technical skills in the area in question.
Not sure how just from the deck I could had called them out.