Honestly, I don’t think Google can handle this at all. The scale is unprecedented. They went after publishers manually with the site reputation abuse update. More expired domain abuse is reaching the top of the SERPs than at any time I can remember in recent history. They’re fighting a losing battle, and they’ve taken their eye off the ball.
In a microcosm, this is what’s happening (Image Credit: Harry Clarkson-Bennett)
A few years ago, search was getting on top of the various spam issues…