Anonymous. (2026). User self-selection rather than algorithmic recommendations drives the consumption of politically segregated content on YouTube, though this finding about content navigation does not directly bound the algorithmic contribution to affective polarization through the out-group hostility channel. Isonomia. https://www.isonomia.app/a/eiI2P79J@9bef475d80e5c3e73c4385cead593aa45f4350226572fcb5dfc60eef47cde156