I think it just a matter of going through and pruning the old(er) topics. While Far Cry is still popular I don't think it really requires the "sticky" status that it might have, it could simply be demoted back to a normal thread where upon something like HL2 will take its place as "sticked game of the month"
'CORSE, WE COULD ALWAYS HAVE THE "TALKE REALLY LOUD" THREAD FOR THOSE OF US THAT ARE HARD OF HEARING OR UTTERLY BLIND... CAN YOU SEE ME NOW? HEH..
It's sort of like with adding emphasis in text. If one were to bold and underline every single word in a document, then it would be as if nothing was emphasized at all