Besides the potential to provide tools for rapid site creation ( much as the editor I am using right now ) and preformatted templates, who else has both the existing mass of server farms, with low cost commodity processors, and the cash flow to expand this base.
Then, if you combine an ability to be first to spider these site, and dare we say hinder other spiders ?
How does this benefit Google?
What about enhancing the income stream via AdSense ?
I have not fully connected all the dots, but just musing.
Maybe Mr. Parsons is whistling past the graveyard …