Documented cases of AI systems producing biased hiring, lending, or sentencing recommendations, often reflecting biased training data, are the core evidence cited for needing enforceable guardrails. Documented examples include hiring tools that downgraded resumes mentioning women's colleges and facial recognition systems with higher error rates for darker-skinned faces, both cited as evidence bias can be baked into and scaled by unregulated systems. Advocates argue that without oversight, these harms tend to scale rapidly once flawed systems are deployed widely. Advocates argue unregulated systems risk scaling these harms rapidly once deployed.