What is the real goal? Nobody here has even asked anything that basic. - Eliyahu M. Goldratt

The entire bottleneck concept is not geared to decrease operating expense, it’s focused on increasing throughput.

What you have learned is that the capacity of the plant is equal to the capacity of its bottlenecks,” says Jonah.

There are three measurements which express the goal of making money perfectly well, but which also permit you to develop operational rules for running your plant. Their names are throughput, inventory and operational expense.