Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
How about a message a week or so before ratings are about to be hidden to warn the player? I play all game types, and wouldn't be able to keep up with my ratings. Or, on the profile, some time keeper saying "you have X amount of time to complete a game before your rating becomed hidden"
BBW's suggestion of 'show all' could be available only for paying members, another incentive to buy membership.