Originally Posted by
PAXboy
My guess as to why carriers want to do away with fixed windows is that: with fixed windows, it limits where you can move the seats. If you want to squash the Y cabin and put the rows closer together - the windows currently provide a clear indicator for pax. My guess is they want that gone - rather than what they do in the front.
Frame pitch - which determines the space between windows - rarely coincides with seat pitch.
Even in aircraft that are built in inches.