You came along and dismissed the parents views without any real thought. If you write the tests afterwards you can better gauge how well they catch bugs. It so

You came along and dismissed the parents views without any real thought. If you write the tests afterwards you can better gauge how well they catch bugs. It sounds like the parent has tried this and has found them pretty useless. I've personally found that unit tests are not worthwhile for many components, and yet are critical for others.