Conor Branagan, a developer, emphasizes the importance of monitoring application performance daily to prevent potential issues from arising. He highlights the challenges of manually tracking component performance and introduces Datadog's new Daily Digest functionality, which provides a quick overview of recent environment performance in an email with a post-mortem review that can be digested in seconds. The feature includes metric alerts, graphs shared by teams, and corresponding discussions or resolutions, aiming to streamline daily monitoring and help DevOps teams respond more efficiently to performance problems.