You have no clue what information Google used to reach this decision.
This will naturally make their jobs a whole lot harder, but currently they're just externalizing their costs onto people like in this article.
Just like all the recent articles pointing out that "identity theft" is a term offloading incompetence of the companies onto the individual.
We need to stop putting up with this shit.
For all we know it could be the virus attack that lead to Googles decision.