State socialist regimes engaged in racism as readily as capitalist ones

Evidence

Racism, in classic socialist form, has been traditionally regarded largely as an epiphenomenon ideologically rationalizing class conflict. As Foucault remarks with characteristic flair and insight, nevertheless, state socialisms are as prone to biological (or, we might add, cultural) racism in identifying and incarcerating criminals, the mentally ill, and political enemies as capitalist states have been. — David Theo Goldberg, The Threat of Race, 1153

Categorization

• QUESTION: Is there good comparative scholarship on Soviet/Maoist biological-racist practices specifically targeting psychiatric and prison populations?
• XREF: Connects to the Foucauldian frame of carceral and psychiatric state power — ties to the Sacrifice article’s state-violence themes. — connects to: Capitalist power infected and colonized state, deliberative, and propaganda powers. — Yanis Varoufakis, Technofeudalism: What Killed Capitalism, 839; Socialist states have been as ecologically destructive as capitalist ones — Rebecca A. Martusewicz, Jeff Edmundson, and John Lupinacci, EcoJustice Education: Toward Diverse,…, 531