I think you meant that businesses have focused on maximizing utilization. It turns out that this is the wrong thing to focus on. Even if you don't care about creativity or innovation, from a purely economic standpoint it's more important to minimize process step queue length instead of maximizing resource utilization.
Queuing theory also says it’s wrong. That’s why the lines everywhere get so long. They’ve optimized for somewhere on the bell curve of usual activity levels and any time tasks come in faster than that, wait times grow extravagantly.
If you want wait times to be short you have to aim for hair under 60% normal usage.
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