MOR
Why do you flame him? Read his profile - he is a professional pilot like the rest of us!
What's more he he speaks good sense. Why let everyone know when the door is going to be opened? If it is open long enough for someone to take a photo it is open too long or perhaps that doesn't allow time for all the passengers to see the Captain <
To use the excuse that 9/11 aircraft had a locked door is crass - the accepted hijack procedure then was passive compliance as you well know and that is why the doors were opened. Those days are gone for ever.
Anne