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  "retrievedAt": "2026-07-16T18:25:25.609Z",
  "createdAt": "2026-05-04T19:29:18.426Z",
  "updatedAt": "2026-05-04T19:29:18.426Z",
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    "text": "The premise that US-specific algorithmic tuning explains US-specific polarization is unsupported speculation; US-specific non-algorithmic factors (two-party system, partisan media, elite polarization) are more parsimonious explanations."
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      "text": "Cross-national divergence in polarization trends exists despite similar social media diffusion across developed democracies.",
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