Good point, and if there are so much uncovered niches that should also be good news.
So the transaction fees, buyers fees and commission to Envato should only cover a simple transaction process? If so it might be time to reconsider all those fees.
And speaking of author promotion, to this day if you drive traffic to the Envato marketplaces you are still being met with this unsolved problem: This really isn't fair. We need to solve this! An unsolved problem which burden is very unfairly put on the authors, not on Envato.
In this experiment the obvious problem of not having new category pages ready for new items, the burden is also put on authors, not on Envato themselves, which it should be.