Sure. I picture it as: "Hey {on-call-engineer}, we're seeing a huge slowdown all of the sudden." "Was there any change in the last few minutes?" "We just d

Sure. I picture it as: "Hey {on-call-engineer}, we're seeing a huge slowdown all of the sudden." "Was there any change in the last few minutes?" "We just deleted a database index." "Yup, that'll do it. Gotta restore it."