Before anyone damns Microsoft or Google here, I'd like to mention Hanlon's razor, or my preferred variant: Never assume malice when ignorance will do. Someone

Before anyone damns Microsoft or Google here, I'd like to mention Hanlon's razor, or my preferred variant: Never assume malice when ignorance will do. Someone broke something, probably not intentionally. Microsoft has a shady history here, Google has a shady history here (esp. with hostile treatment of Microsoft user agents with YouTube and Maps!), so in the absence of further evidence let's not point fingers.