Earlier quoted context omitted.
Even more so: Keeping the shades open could have really made a significant difference in this case, because it could have helped the flight attendants to quickly determine the exits that are safe.
> it could have helped the flight attendants to quickly determine the exits that are safe. For obvious reasons, ordering the evacuation, in conjunction with criteria such as which side and which doors is the Captain's job, or if the Captain is incapacitated, the First Officer. They will have access to far more data than the cabin crew will (e.g. whether the engines are safely shut down, circumstances on the ground th…
Communication is key, but comms might have been down, too. In cases like this the cabin crew have to be prepared to initiate an evacuation on their own, and they have to be prepared to choose which doors to use.