Blocking non-Google users would be nonsensical. News sites currently have tons of non-revenue adding users. The problem they're trying to solve isn't "How do we

Blocking non-Google users would be nonsensical. News sites currently have tons of non-revenue adding users. The problem they're trying to solve isn't "How do we block these people?"—it's how do we monetize them. This is why the real shift you're seeing in media right now is back towards subscriber models. Ads are still providing the lion's share of revenue, but as someone whose worked with many media companies, I can tell you that nearly everyone is obsessed with growing their paying subscriber base.