Ops told to proceed
Ops didn't want to shutdown engine
FC put PIC on standby for 4 minutes
FC says disembark, do not evacuate.
AAIB says, PIC shouldn't depend on FC.
You should always be careful trusting the opinion of people with no skin in the game.
There is a very important link between crew and passengers, and that is being on the same boat. Instead of listening to so much advise from those safely on the ground, the crew should have listened to their instincts.
I can guarantee you their instincts where spot on and I am sure when the full CVR transcript is released (ha!) you will clearly see it.