There should be a low signal-to-noise ratio when it comes to communication. If a developer is being alerted by email, SMS, voicemail, and Slack messaging about issues, they may soon tune out and not pay attention to issues. It is important to get the attention of the developer to fix issues as they are encountered, but you probably shouldn't be alerted like a military command center, where you are bombarded with notifications from many different sources.
Imagine that Bruce is a newer developer in the team and Bruce receives an alert about a low-priority ticket that he worked on. Bruce receives an email, text alert, Slack message, and phone call about this ticket. Bruce tends to get a lot of messages like this ...
