Is it twice as much? I think unsound architectural practices in software is the root cause of this issue, not red green refactor. You aren't doing "double the

Is it twice as much? I think unsound architectural practices in software is the root cause of this issue, not red green refactor. You aren't doing "double the work" even though it seems that way on paper, unless the problem was solved with brittle architectural foundations and tightly coupled tests. At the heart of this problem is most developers don't quite grasp boundary separation intuitively I think.