Seniority is the fact or state of being older or higher in rank or status than someone else. Within an organisation, a senior engineer could be the engineer wit

Seniority is the fact or state of being older or higher in rank or status than someone else. Within an organisation, a senior engineer could be the engineer with the most experience with the codebase everyone else is working on. I do agree that certain habits or experience from working for additional years might be missing, but as the first engineer of a codebase, IMO, there will always be something to learn from them. Which makes the article credible enough to warrant a read.