The title of this post doesn't do the author any favours. It can be understood to be directed at the general reader, and I can assure you, that what is describe

The title of this post doesn't do the author any favours. It can be understood to be directed at the general reader, and I can assure you, that what is described is very much an expected benefit of unit tests. But, it's also just a tool. That has to be used for the right reasons and the right circumstances. One unexpected use for them is to implement the "right way" to do something as a unit test. Instead of having to remind them of what we agreed on, making a test is a great investment, and not the typical use case for tests.