Look, we all know how it is. You're at work, but your mind is somewhere else. It happens. You can't be too hard on yourself. Ideally your lack of attention wouldn't result in the wrongful demolition of two houses, but you're only human, right?
Earlier this morning, every single one of Google's search results came with a warning that the site "may harm your computer," including their own properties like Gmail and Google Maps. They've since explained what happened: