A computer wouldn’t see why they would break a fictional arm so a parental figure could give them a hand

No computer ‘sees’ any of the logic behind the language. It’s all fancy tables and probabilities from beforehand. That’s why there was the famous example of the LLM telling that girl to off herself when she was doing her homework. If the learning datasets include anything like reddit, some LLM may answer or respond (in)appropriately to those ideas.