1. I’ll often include boilerplate in a prompt to tell it to make the broader fix. [1]
2. However, a top HN AGENTS.md post 11 days ago included the standard guidance “As much as possible try to minimize the number of changed lines when implementing a feature.” I.e. some devs want LLMs to avoid broader changes and so some of that likely makes it into the training, even if others like us want the opposite.
[1] As far as whether my boilerplate is effective, I don’t know.