I do most of my work in large enterprises and there is definitely a point when you hit a complexity cliff managing your own systems. No one system causes this (

I do most of my work in large enterprises and there is definitely a point when you hit a complexity cliff managing your own systems. No one system causes this (major systems can often support a dedicated staff), but it looks like death by a thousand cuts when the HR interview system goes down after 7 years and no one is certain how to deal with its VMs/hardware/networking.