The platformized public sphere: big techs, disinformation, and democratic erosion

Authors

DOI:

https://doi.org/10.12957/rqi.2025.94040

Keywords:

Public sphere, Platformization, Disinformation, Democracy, Big techs

Abstract

This article examines the reconfiguration of the public sphere in the context of digital platformization, analyzing how the business model of big techs and algorithmic mediation intensify informational disorder and pose a threat to deliberative democracy. Based on the theoretical framework of Jürgen Habermas, the study adopts a qualitative approach of critical bibliographic review to investigate the transformation of the public space into an arena fragmented by disinformation and polarization. The analysis demonstrates that the engagement logic of platforms, driven by economic interests, corrodes the foundations of democratic debate by prioritizing viral content at the expense of informational accuracy and pluralism. It is concluded that the erosion of the public sphere represents a substantial hollowing out of the democratic regime, since disinformation, by distorting reality, paralyzes rational judgment, corrupts the public space and weakens the bond between citizenship and political decision-making.

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Author Biographies

Bruna de Oliveira Pereira, Universidade Federal de Juiz de Fora

Mestre em Direito pela Universidade Federal de Juiz de Fora (UFJF), graduada em Direito e Ciências Humanas, e licencianda em Ciências Sociais pela mesma instituição. Pesquisadora na linha "Direito Internacional e Política" do Núcleo de Estudos e Pesquisa de Direito Internacional da Universidade do Estado do Rio de Janeiro (NEPEDI/UERJ) e integrante do Grupo de Estudos Violências e Territórios (GEVT/UFJF). E-mail: oliveira.bruna@estudante.ufjf.br. 

Wagner Silveira Rezende, Universidade Federal de Juiz de Fora

Doutor em ciências sociais pela Universidade Federal de Juiz de Fora (2014). Professor de Sociologia do Direito da Faculdade de Direito da Universidade Federal de Juiz de Fora (UFJF). Membro do Programa de Pós-Graduação Stricto Sensu em Direito e Inovação (PPGD-UFJF). E-mail: wagner.rezende@ufjf.br

Published

2026-01-14

How to Cite

de Oliveira Pereira, B., & Silveira Rezende, W. (2026). The platformized public sphere: big techs, disinformation, and democratic erosion. REVISTA QUAESTIO IURIS, 18(1), 211–251. https://doi.org/10.12957/rqi.2025.94040

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