We have seen over and over that white male historians in general have tended to dismiss any history they didn't themselves write,on the grounds that it is unserious, unscholarly, a fad, too "political," "merely" oral and thus unreliable.
The biggest mistake entrepreneurs can make is trying to do everything themselves. They usually blow up when they try. I did an inventory of every deal I've ever done and it turned out that every single deal I made money on was a partnership, and every colossal failure, where I lost millions, was something I tried to do by myself.