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Toyota was one of the creators of Just in Time manufacturing, and they planned for this particular supply chain interruption.

https://jalopnik.com/toyota-prepared-for-the-chip-shortage-y...

Kanban is not incompatible with queuing theory.

Logistics analysis probably has a lot of crossover w/ queuing theory.

How big a buffer should one maintain if you want the user to be able to keep consuming a video stream for an up to x second packet loss window vs how big an inventory of parts carry in order to keep a production line going given an interruption of x months. Only the physical product has a harder time substituting some sources than others so optimize inventory/buffers on an individual per part basis.

I feel like this comment is kinda like blaming the inventors of the Knife for the people who were stabbed. JIT was an amazing invention and a progress to mankind.

Reminds me of a joke - if economist designed humans instead of having two kidneys we would share one between five people.

And I can make a baby in 1 month with 10 women.