The most shocking revelation for traditional managers in the book is this: An hour lost at a bottleneck is an hour lost for the entire system. However, an hour saved at a non-bottleneck is a mirage. If you speed up a non-bottleneck machine, you just create more inventory that sits waiting for the bottleneck. You haven't increased throughput; you’ve just wasted money.
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The most famous concept introduced in the book is the "Bottleneck." Goldratt posits that every system has a constraint—a limiting factor that determines the output of the entire system. The most shocking revelation for traditional managers in