You don't need to cover every use case. You just need to document what stuff does and how it affects to various workloads. A good engineer can from that informa

You don't need to cover every use case. You just need to document what stuff does and how it affects to various workloads. A good engineer can from that information infer what they need for their workload. But not documenting that a control exists so that you can be bill you for consulting puts you in my "will not use" category.