Having worked network support, the number of times I've been on a screen share with someone who opens an excel sheet from the share drive that holds all the root passwords for every network device they own is high. A bad actor could take down some very large companies with some simple social engineering skills.
I could very well have been that developer. Usual story, sales promised the world, that our vmware-based system would run on anything and everything, and of course it's all HA and load balanced, smash cut to me on Monday morning trying to figure out how to make it do that before it goes live on Wednesday.