You can customize notifications in slack and leave only 1:1 if you want https://slack.com/help/articles/360056534254-Manage-notifications-for-specific-channels-

You can customize notifications in slack and leave only 1:1 if you want https://slack.com/help/articles/360056534254-Manage-notifications-for-specific-channels-and-direct-messages https://slack.com/help/articles/360056534254-Manage-notifica... I find having easily accessible feed from monitoring tools pretty useful.