On the contrary, the decentralisation is what I appreciate so much about Google - I feel it's the primary driver for innovative stuff that comes out of Google. It may seem like a mess but then you see - creativity doesn't flows out of grand visions.
PS: perhaps Apple was able to achieve "centralized creativity" only because of Jobs.
Metaphoric org charts of tech companies: http://ritholtz.com/wp-content/uploads/2013/07/2011.06.27_or...