If you read back a page or three, you'll see that they're considering various solutions to the "out of chips" issue... currently, it would appear that their setup doesn't scale well... and since the demise of bitmixer, they've become VERY popular... so, in a way, they've become victims of their own success.

I'm personally hoping for an investment option to increase the bitcoin pool... I'm always on the lookup for ways to make my bitcoins earn their keep