I’m not sure what your point is about ratios. I don’t think they mean anything, strictly speaking. Perhaps they are related to some special knowledge you have t

I’m not sure what your point is about ratios. I don’t think they mean anything, strictly speaking. Perhaps they are related to some special knowledge you have that is not conveyed by the numbers. Testing is a social act. Testing itself cannot be obsolete until complexity and misunderstanding is obsolete. This will happen never. Perhaps certain kinds of shallow automated checking will become obsolete over time.