Re: Trams
It's hard to make some of these things fail "safe"
A lot of equipment gets damaged/causes risk if stopped suddenly so having a system slam on the emergency brakes because a controller loses line-of-site for a second while the operator scratches their nose - might not be the safest option.
But you also don't want to use 2-factor authentication and enter a 16 digit password for an emergency stop.
Biting the hand that feeds IT
