Git history, call graphs, and change patterns contain more reliable tribal knowledge than any wiki. The problem isn't capturing knowledge — it's extracting it.
CODEOWNERS files are always stale. Git history tells the truth about who actually maintains, reviews, and understands each part of your codebase.
Remote work broke ambient knowledge sharing. Here's how to rebuild it without forcing everyone back to the office.
Knowledge concentration is a ticking time bomb. When a key engineer leaves, the blast radius extends far beyond their code.