You're not thinking ahead though. Of course, nothing matches ER in its scope now. I'm saying that it should be a general-purpose subforum because eventually there will be other games like ER, and I can guarantee you, that some troll or another GM's gonna get mad and say that their game is as great as ER. This is a little bit of forethought to prevent unnecessary feuding.
For an RTD to grow to ER's size is something that takes quite a bit of time, quite a lot of dedication, quite a bit of talent and quite an attractive (and probably specific) game concept, and another ER-like game appearing is something that is likely to take years to happen. It's not an event you can easily replicate, and it probably hasn't been for lack of trying. Until a point when such a thing happens, ER will be alone in this general purpose subboard. And we can't even be sure it
will happen again, necessarily. It's not very productive to accept remote possibilities as events that will certainly happen soon enough for them to be in any way relevant.
And it's not at all because ER is great that it needs a subboard - it needs a subboard because it is huge and has to grow even more soon. The question isn't of quality, but of quantity (though quality can occasionally cause greater quantity). And once again, I propose that if we ever get to a point where another game has a plausible reason for growing to five, six or more threads while still keeping a large amount of player interest, this game should also get its own subboard. Because a game with size and staying power like that doesn't happen all the time, at least not here it doesn't. If we gave piecewise his own subboard rather than ER, feuding would be well justified, because that really would be favoritism. But ER getting one doesn't seem likely to trigger the same, because ER has yet to be matched in size by anything on the RTD board, and its further expansion on this board may render its presence increasingly looming and undesirable. And if it ceases to expand, it may become messier and messier over time, impacting the ability of certain readers to read the game, players to catch up on what they've missed and more.
Honestly, what are the scenarios to consider here? Some person starts an RTD with 5 threads at once and claims that they need their own subboard? That would be fairly obnoxious on their part, and presumably it would be quite difficult to get other players to lobby for it. Some person says their RTD with one or two threads is too wildly unmanageable and clutters the board too much to keep on the RTD board? That would be quite unreasonable. Can you provide an example of a line of reasoning that would lead to founded feuding on the matter?
And I do believe some people would be offended more by the separation of games into 'Epic' and 'Non-Epic' than by the separation of games into 'ER' and 'not as huge, growing and unwieldy as ER', because that separation definitely would engender the attitude of 'What? What are you talking about, my game's all kinds of epic! 5000 posts is an arbitrary BS limit I'm going to reach anyway!' And if, gods forbid, you choose to go by some other method of classification, I can imagine the bickering and bitterness would only intensify. That's why classifying games into 'Epic' (
read 'master race') and 'Non-Epic' (read 'peasants') won't work. It'll only exacerbate the potential feuding, particularly if you go with the reasoning 'but ER's the only one that qualifies! You can't blame us if the rest didn't have players that posted hard enough and GM's that didn't update often enough!' I just can't see such a classification ending well.