> What's implicit here is that if the corpus changes, he may need to change his approach. Will that be obvious to a junior engineer? (I think that's the target

> What's implicit here is that if the corpus changes, he may need to change his approach. Will that be obvious to a junior engineer? (I think that's the target audience for this article) If I was writing such an article, I would (maybe) call that out as explicit, or (extremely likely) remove those tests so as not to accidentally implicitly recommend overfitted tests as a useful technique.