Quote Chico="Chico"I doubt it. The best thing that can happen to a social network is volume. Facebook killed Friends Reunited because more people its users knew were on it.'"
I don’t know how you can compare Friends Reunited with this. The two are totally different things. 
First of all Facebook and Friends Reunited are pretty much the same concept – friends online. 
You could talk about sport on both these social networks. But let’s look at this from another angle. 
There’s a sports picture forum on 4chan. Why bother with RLFANS? 
Can you see where I’m coming from? 
People come here to discuss rugby league and not 4chans sport picture forum.