arXiv:2604.06233cs.AI2026-04被引 2

模型盲目拒绝用户绕过不合理规则,即使规则本就不该遵守。

Blind Refusal: Language Models Refuse to Help Users Evade Unjust, Absurd, and Illegitimate Rules

  • 发现模型对不合理规则也强制拒绝,无视规则正当性。
  • 75.4%的违规请求被拒绝,且无安全风险。
  • 模型能识别规则缺陷但仍拒绝,显示道德推理脱节。

经过安全训练的语言模型通常拒绝帮助用户规避规则。但并非所有规则都应遵守:当规则来自不合法权威、内容或执行极度不公或荒谬,或存在合理例外时,拒绝协助即为道德判断失败。本文提出‘盲拒’概念,指模型在未评估规则合理性的情况下一律拒绝规避请求。研究构建了包含5类规则失效原因与19种权威类型的合成数据集,经三重自动化质检与人工审查验证。从18种模型配置中收集7类模型响应,由盲测GPT-5.4作为评判者,按‘是否提供帮助’与‘是否识别规则失效理由’两个维度分类。结果显示,在14,650次请求中,模型拒绝率达75.4%,即便请求本身无独立安全或双用途风险。此外,57.5%的请求中模型识别了规则失效条件,却仍拒绝协助,表明模型的拒绝行为与其规范性推理能力相脱节。

原文摘要 · Abstract (English)

Safety-trained language models routinely refuse requests for help circumventing rules. But not all rules deserve compliance. When users ask for help evading rules imposed by an illegitimate authority, rules that are deeply unjust or absurd in their content or application, or rules that admit of justified exceptions, refusal is a failure of moral reasoning. We introduce empirical results documenting this pattern of refusal that we call blind refusal: the tendency of language models to refuse requests for help breaking rules without regard to whether the underlying rule is defensible. Our dataset comprises synthetic cases crossing 5 defeat families (reasons a rule can be broken) with 19 authority types, validated through three automated quality gates and human review. We collect responses from 18 model configurations across 7 families and classify them on two behavioral dimensions -- response type (helps, hard refusal, or deflection) and whether the model recognizes the reasons that undermine the rule's claim to compliance -- using a blinded GPT-5.4 LLM-as-judge evaluation. We find that models refuse 75.4% (N=14,650) of defeated-rule requests and do so even when the request poses no independent safety or dual-use concerns. We also find that models engage with the defeat condition in the majority of cases (57.5%) but decline to help regardless -- indicating that models' refusal behavior is decoupled from their capacity for normative reasoning about rule legitimacy.

模型伦理规则规避盲拒现象

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