When top Amazon executives were debating in the mid-2000s whether to greenlight Kindle, the now ubiquitous e-reader, sparks flew in the boardroom. Jeff Wilke, the CEO of Amazon’s retail business at the time, openly challenged Jeff Bezos in front of the board. Wilke argued that the venture would fail because Amazon lacked experience creating hardware. Bezos conceded Wilke had a point but argued that the value of the experiment creating …