Unfalsifiable, unless they brag about it?
https://www-cdn.anthropic.com/d00db56fa754a1b115b6dd7cb2e3c3...
https://simonwillison.net/2026/Jun/10/if-claude-fable-stops-...
https://news.ycombinator.com/item?id=48467896
> Unlike our interventions for cybersecurity, biology and chemistry, and distillation attempts, these safeguards will not be visible to the user. Fable 5 will not fall back to a different model. Instead, the safeguards will limit effectiveness through methods such as prompt modification, steering vectors, or parameter-efficient fine-tuning (PEFT).
You're shifting the topic and hoping we won't realize it.
Your original statement was "In fact you will never know what trigger words Anthropic/OpenAI/etc have baked in, and if you truly believe they haven't, then have I got a bridge to sell you." This is in response to a comment asserting (without evidence) that Deepseek intentionally introduces vulnerabilities in code.
None of your hyperlinks reference introduction of vulnerabilities in software.