Originally Posted by
halls120
or the person next you is a POS. Then the loss of that extra inch matters. And if you are in the aisle seat, you get hit by the service carts every time they come through.
Exactly the same if a seat less across as the carts got narrower to fit the aisles, and although there's more chance of a POS intruding on your space, you're response should be the same.