When the management guide “First, Break All the Rules” was first published in 1999, managers embraced it and HR departments rejected it.Two of the book’s core messages— that a company’s success relies on individual managers’ leadership styles and that employees’ weaknesses should be ignored rather than “fixed” — were the opposite of what the world’s biggest corporations believed at the time, the book’s coauthor Marcus Buckingham told Business Insider.

Source: Marcus Buckingham says every great manager follows these 2 principles – Business Insider