Most importantly, “slackful” teams function as an organizational debugger: you don’t have to consider them when debugging the overall organizational throughput. I’ve found it much easier to work a couple constraints at a time, solving forward without needing to revisit previous constraints. The Goal by Eliyahu M. Goldratt10 and Thinking in Systems: A Primer by Donella H. Meadows11 are both phenomenal books on this topic.