I think even then, the chances are pretty high that someone will go "oops, I accidentally merged back in the old version of the repo. Sorry guys". I've tried re

I think even then, the chances are pretty high that someone will go "oops, I accidentally merged back in the old version of the repo. Sorry guys". I've tried rewriting an entire repo before (to remove huge binary files) and even with a small team, it only takes one person out of the loop to bring everything back in.