Anonymous. (2026). Braghieri et al. (2025) measures news-consumption polarization (article-slant diversity), not affective polarization (in-group warmth minus out-group warmth). The 82% attribution to algorithmic exposure does not establish the framing's required causal effect on affective polarization. Isonomia. https://www.isonomia.app/a/pbR3wJ3k@6c11e1f8aaad600e3ff5b41ec278a1e22c3fe48a1c4b9aaa310d09b95845831a