Eh this is true but in practice "my RAM stick went bad" is 0% of our downtime. It's almost always that we screwed up something in the app layer. And my compan

Eh this is true but in practice "my RAM stick went bad" is 0% of our downtime. It's almost always that we screwed up something in the app layer. And my company of ~100 does have 5 engineers on call 24/7. It's baked into our salary to do that.