"It's always a good idea to have your site degrade gracefully. This will help users enjoy your content even if their browser doesn't have compatible JavaScript implementations. It will also help visitors with JavaScript disabled or off, as well as search engines that can't execute JavaScript yet."
Are Google going to follow their own advice here? Try visiting the official Android blog with Javascript disabled
http://officialandroid.blogspot.co.uk/
In fact, try visiting a whole bunch of *blogspot.co.uk sites with Javascript disabled and see how "gracefully" they degrade. Remember, these are blog sites with mostly text content. And yet Google won't serve them up without Javsacipt enabled.