Somewhat related: I was once the computer guy for a manufacturing company, and one day I get called me in for a meeting where one of the managers explained the whole procedure for how he takes the yearly inventory. Most of it was way over my head, but I didn’t let that bother me, because he would still be taking the inventory and I was just the helper.
He was gone the next day.
Normally, I have trouble putting two and two together, but even I was able to figure out that this guy was told by his higher-ups to pass this knowledge on to someone else before he got fired. It’s a shame I didn’t ask him more questions about the inventory.
As it turns out, when we took the inventory, it was a disaster, but for totally unrelated reasons, and him being around would not have helped.
Anyway, to get back to the OP, it is indeed helpful for management to have as many details as possible about how the different jobs get done.