(also: especially if you're successful).
Except that Tony Hsieh is now on a committee with Jeff Bezos, and 4 executives from Amazon and Zappos. It will still operate as their own entity, run by Tony, and they've basically placated the VCs with Amazon stock while he gets full control over the company, culture, and with access to Amazon's resources. They went inside the deal in a couple of places, check out Inc.'s article on the subject.