True, but thats also because your target market has dynamics very different from your average hacker and even your early adopters behave differently.
It always comes down to community.
How long/how much does it cost to run this? I'm curious. Well done with it. Other than a name change, I think this is very useful.
Hosting something like this would be very cheap. A $40 a month VPS could handle it for a while and if it outgrows that then it will be worth something.