A team of Googlers could have been working on this in parallel to Tom. I'm guessing that a sudden drop of queries like that would cause people at Google to star

A team of Googlers could have been working on this in parallel to Tom. I'm guessing that a sudden drop of queries like that would cause people at Google to start digging into what happened. I don't know either way, because network ops and BGP is pretty far from my area (search quality).