A week ago, founder of the Young Women in Business Network (YWBN), Nthabeleng Likotsi, shared a post on LinkedIn, praising the notorious Elizabeth Holmes. Holmes is an American woman and founder of Theranos, a health technology start-up that promised the world the impossible: a machine that could run hundreds of blood tests from a single drop of blood.

Those in the medical field dismissed Holmes, rightly so, arguing that her idea was physically impossible...