Calling these "philosophies" is probably marketing fluff, but the dichotomy is definitely a real thing in interaction design; interacting with a computer as an agent (querying, dialogs, etc.) vs interacting with a computer as a tool (physically manipulated interfaces). All of the companies cited build products in both categories, but Google (and now increasingly Facebook) definitely skew towards the computer-as-agent applications, and Microsoft and Apple towards computer-as-tool.
At an organizational level I'm inclined to agree with you that the altruism ascribed by the article is far too optimistic, but I would imagine that there are individuals in each company who do think along these lines and try to design along them. (I do, however, find Google "giving users back their time" a bit hilarious as their business model is precisely to get users to spend as much time as possible looking at ads - maybe they free us from mundane tasks so we have more time to browse ads).
I think that's a bit harsh. The documents at that URL were understood to be freely available to the public.
As I physical analogy, I'd think about it more as one of those restaurant straw dispensers. He got tired of pressing the button each time for a new straw, and instead opened the lid and grabbed a bunch out.
At an organizational level I'm inclined to agree with you that the altruism ascribed by the article is far too optimistic, but I would imagine that there are individuals in each company who do think along these lines and try to design along them. (I do, however, find Google "giving users back their time" a bit hilarious as their business model is precisely to get users to spend as much time as possible looking at ads - maybe they free us from mundane tasks so we have more time to browse ads).