Digital Racial Exposure, Asymmetric Individuation, and Internalised Blanket Blame

Online racism research still focuses mainly on overt slurs and explicit hate, while a quieter pattern that we call asymmetric individuation and blanket racial blame remains largely invisible. This is a problem because people of African descent encounter this pattern daily in public comment spaces, and repeated exposure can reasonably be treated as a mental health risk. We therefore conceptualise these conversational habits as a form of digital racial exposure and assess their structure and prevalence. We analyse a random snapshot of 15 000 Africa-related X/Twitter threads (2023–2025) and isolate all conversations about Leopold II and the Congo Free State (35 threads, 1 987 replies). We combine a deliberately conservative keyword and regex pass with a second, large-language–model-assisted coding of context, account type and blame allocation. We then replicate the pipeline on threads about slavery, apartheid, Jim Crow, Black Wall Street and positive portrayals of African and Black achievement on several major platforms. We find that comments which blanket Africans or Black people occur 2.58 times more often than comments that individuate Europeans, that blanket blame in this corpus is unidirectional (no symmetric “you whites” or “you Europeans”), that roughly 88% of African-coded blame comments adopt a self-accusatory global “we”, and that European bystanders do not publicly correct racialising remarks. Replication across topics and platforms produces the same grammar of shaming, deflecting, diminishing and group blame. We conclude that asymmetric individuation and internalised blanket blame together form a stable pattern of digital racial exposure. In light of existing evidence on racial discrimination and health, we treat this exposure as a plausibly health-relevant psychosocial risk factor and social determinant of mental health for people of African descent: it functions as a chronic, identity-linked stressor, contributes to altered and devalued self-perception through internalised racism, and likely adds non-trivial vulnerability to depressive, anxiety and trauma-related disorders, in a range consistent with known discrimination-related risk gradients.