A couple of weeks after describing Google as more innovative than Apple, and suggesting that Tim Cook was vulnerable to a shareholder revolt if he didn’t quickly release disruptive new products, Steve Jobs’ biographer Walter Isaacson has downplayed his remarks in a round-table discussion on Bloomberg TV.

Isaacson also dismissed as irrelevant suggestions that poor sales of the iPhone 5c suggested Apple didn’t know how to make low-end products.

The one thing I will say is innovation is great, but it ain’t everything. It’s not the holy grail. Execution is what really matters, and Apple is the best at execution … 

Quite a change in tone from “[Shareholders] probably have to start thinking about who should be on the board next, this board is all Steve Jobs’ people, they aren’t exactly the Tim Cook fan club” …