This was improved back when the 2v2 ladder was introduced. See
http://wiki.warlight.net/index.php/Move_Order
|> *In team games, WarLight ensures that teams are first randomized into their own move order, and then the players within each team. For example, in a 2v2 game, it's not possible for both of team A's players to get to move before any of team B's players.*