Note on The Mature Optimization Handbook via Carlos Bueno

Staircase mode is a quality you want to design for. Elevators don’t have great failure modes. Escalators, on the other hand, never really break. They just become staircases. When your feedback loop fails, and it will, think about whether it becomes a staircase or a death trap.

FROM:

Carlos Bueno

The Mature Optimization Handbook

Source