Escalators do fail in ways other than becoming stairs. https://www.gizmodo.com.au/2018/10/catastrophic-escalator-failure-in-rome-sends-crowd-speeding-to-bottom

Escalators do fail in ways other than becoming stairs. https://www.gizmodo.com.au/2018/10/catastrophic-escalator-failure-in-rome-sends-crowd-speeding-to-bottom-with-20-injuries-reported/ https://www.gizmodo.com.au/2018/10/catastrophic-escalator-fa...