It doesn't have to provide the same money for non-famous comedians - it just has to provide at least as much as they would have got selling their show in other

It doesn't have to provide the same money for non-famous comedians - it just has to provide at least as much as they would have got selling their show in other ways. As they would have sold less if they'd gone the DVD route, they'll sell less in this route too. The only question is whether they come out of it as well.