But does that scale? It's one thing building an online community serving 100-5,000 users. It's quite a different thing to build an online community serving 100,000-10,000,000 users.
But that has not stopped some servers from exploding in size. And its "fine" if you are just trying to shoot the breeze or shout into the void, not look for specific information (which is truly horrendous) or answer FAQ (which is even more horrendous than reddit).