A rational prediction has an explanation based on theory.

Everyone is a customer for somebody, or a supplier to somebody.

You can see from a flow diagram who depends on you and whom you can depend on. You can now take joy in your work.

Many people in management are being paid to produce waste.

Inspection with the aim of finding the bad ones and throwing them out is too late, ineffective, and costly. Quality comes not from inspection but from improvement of the process.

Management of outcomes may not be any more than a skill. It does not require knowledge.

It's management's job to know.