PublicAnimalNo9 PublicAnimalNo9:
I got the chance to fly in a B-17 once(for the price of about $1/minute). It was cramped, it was drafty and it was friggin'
awesome!!. BUT, I don't know if I would have wanted to be in one long enough to cross the ocean. I've been inside of a Lanc just not in the air, and the crew conditions were comparable.
Plus...no heads and there's no place along the way to pull over and go

Yes, crew comfort was not a big priority when these aircraft were designed.
Imagine all of that discomfort for hours while getting shot at.