Sorry - I forgot about this. From the horse's mouth. Seems fair enough to me...
"The second and subsequent windows we have started to make narrower to try to ensure the scheme is as fair as possible. We were particularly conscious of this for Man Utd and the likely popularity of the game and...
I'm struggling to believe that they've actually gone out yet as a copy would make it here one way or another, probably with a "I was genuinely ill that day, but look what the club sent me..." or similar.