Vic, why care so much, it's just the unofficial thread.
Anyways, anything that has its own thread can be talked about here too without being tied to this thread's OP, it would be tied to that thread's opening post. This is a place to talk about everything related to the 3DS, without having a specific topic to deal with. If people want to be specifically in the Shin Megami Tensei topic, they go there, if they want to talk about SMT and other 3DS games as well, then can just come here.
That should be simple enough.
The Nintendo thread is for everything and anything Nintendo, this thread is for 3DS fans to talk about everything and anything 3DS related. Should be easy enough for people to respect, so no harm done to SMT, which deserves its own thread. You may see people talking about it in the Nintendo thread, but it's unlikely, and if it is, it's more related to Nintendo than to SMT. Real SMT fans don't care about the manufacturer of the platform iet's released on, so there you'll find fans of all 3 manufacturers who just want to play SMT. In the 3DS thread, you find 3DS fans. Some may want to talk about SMT, but it's not tied to Nintendo or to the 3DS and is a franchise that can really go on any console. But if they want to talk about it from a 3DS fan point of view and in that light, they can come here and chew the fat if they want to. If they want to talk SMT per se, they just go there.
Simple stuff.