That is understandable. Also I am curious though - the 1gb file size is for all game versions together or per game version? I submitted windows and linux version of my game and they appear to be treated as separate entities. If this is not an ordeal and is of interest to you, could you try to upload Linux version as well? (just name it distinctly from your original release so that you do not override it).
Thank you and pardon me for the request.