Jumping on books marketed at airports to harried executives isn't really valid. There's plenty of actual business research done by professionals (and they've heard of "survivorship bias, along with all the other threats to validity). It's like looking at all the "For Dummies" books in your local book store's computer section and deciding that CS research is poor.
And Harvard Business School Case Studies are meant for teaching, and their function is analogous to science textbooks that leave out all the dead ends and fruitless research for pedagogical reasons.
And Harvard Business School Case Studies are meant for teaching, and their function is analogous to science textbooks that leave out all the dead ends and fruitless research for pedagogical reasons.