The text discusses the issue of Slack's default red badge notification, which can be distracting and lead to unnecessary interruptions. To turn off this feature on various devices, including Macs, Windows PCs, iOS, and Android smartphones, users need to access specific settings within the Slack app or operating system settings. The process varies depending on the device and version of software being used, but generally involves navigating to notifications settings and disabling the badge notification toggle. Additionally, the text mentions that automation tools like Zapier can be used to customize notification formats and cadences, providing more control over digital boundaries.