They never change over the course of say 3 years? 5 years? If it changes frequently that's great - someone could be put to task to monitor. If it changes very r

They never change over the course of say 3 years? 5 years? If it changes frequently that's great - someone could be put to task to monitor. If it changes very rarely, you will have a surprise outage although I am guessing debugging and fixing it would not be an issue unless you have SLAs you need to keep up with.