If this truly is just the search engine and not other stuff on the google.com domain like OAuth login, then this seems rather unimportant.
Search is easily Google's least-sticky and most replaceable product. The only reason it gets more usage that other engines like DuckDuckGo and the swathes of other Bing frontends is because it's the default and has the brand appeal for people who don't know better.
Search is easily Google's least-sticky and most replaceable product. The only reason it gets more usage that other engines like DuckDuckGo and the swathes of other Bing frontends is because it's the default and has the brand appeal for people who don't know better.