Idk about B-1 and B-52s but B-2 pilots have constantly complain about crew comfort and it's a big factor going into the B-21
"With regards to cockpit view alone, I had an advantage in the F-16, but I am still able to maintain visual contact with my opponent during aggressive maneuvering in the F-35. The cockpit view is not a limitation with regards to being effective in visual combat, and it would be a misunderstanding to present this as a genuine problem with the F-35." Major Morten Hanche