This problem was already discussed several months ago. Although draw is really impossible in some games, the button will stay for all games because there can be more reasons to agree with a draw [for example, one player knows that he would lose due to a timeout and his opponents agrees with a draw to solve this situation by making both players happy].
(hide) You can send a message to your friends with just one click by adding them to your friends list and then clicking the small envelope by their name. (pauloaguia) (show all tips)