Mixed
It's a fine pair programmer when one of the pairs knows the codebase extremely well
cmrdporcupine on Hacker News
In the thread “Why agents are bad pair programmers”, replying to this comment
Helped: Specific prompts and intimate knowledge of the codebase.
Got in the way: High-level abstractions and lack of comments in work code.
… We both do. It's a fine pair programmer when one of the pairs knows the codebase extremely well. It's a bad companion elsewhere.