well, like i said ( i think) i've never paid a monthly fee for a game, so maybe they really do provide enough extra content (free dlc? lol?) that the monthly fee is worth it from a consumer perspective. then its a win win (ie buyer is happy, developer is rich.)
i don't have a problem with people who think its worth it, it's just not for me.
but yeah, if the game is supposed to be great, then im sure i could get my 50$ worth out of the free month. but then i would feel bad that i had a game i could no longer play. a $50 rental sounds too expensive to me, even if you get to rent it for a whole month.