> In the "refactor aggressively" case, the code is continuing to run while you make the changes. I've seen (and done) plenty of refactorings that involved rewr

> In the "refactor aggressively" case, the code is continuing to run while you make the changes. I've seen (and done) plenty of refactorings that involved rewriting large parts of code and/or leaving things in a non-running state for a while. I've also seen (and done) rewrites that involved liberal re-use of code from the previous code base.