I think you've identified their problem, you're their target audience AND you're not 100% happy with their competitor yet you don't know about their service!
They definitely need to work on that, maybe that will solve their chicken and egg problem!
It is definitely something we are working on (I'm one of the co-founders). We've just launched and it will take some time before the words spreads around - codecanyon has been around for over a year and a half. Features like this certainly help