This one needs to be studied intensely from the Human Factors perspective
Yes, and in the back as well.
Windows, doors, seat plan, ...
The accounts of the survivors can have immense value to every one of us who is ever likely to sit back there.
Agreed. Flying in the back of an L2 is a horrible claustrophobic experience. It's just about tolerable if the flight isn't very full, however when every seat is taken it's a very uncomfortable experience, physically and mentally. Not withstanding the spate of recent incidents this is the main reason why it is so unpopular.