Junior dev asking "theoretically" about removing accidentally committed API keys is like asking your friend "hypothetically" what happens if you total their car. The senior's face says it all—they've already checked the commit history, rotated the keys, and started drafting the incident report before the junior even finished their sentence.
That thousand-yard stare comes from years of watching AWS bills skyrocket because someone's credentials got scraped by bots within 3 minutes of pushing to main. The senior knows there's no "theoretical" here—that key is already being used to mine crypto in some Eastern European server farm.
Pro tip: git filter-branch and BFG Repo-Cleaner exist, but they won't save you from the post-mortem meeting.
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