In terms of music, lengthy queues are not beneficial for the following reason at least. There is demand for music that increases for seasonal events, holidays, sporting events, festivities, religious holidays to name but a few. How do authors know the right time to upload music to coincide with these events with a lengthy queue. The queue needs to be pretty stable.
We are bringing the music to the table Envato’s job is to create a stable and professional environment in which to sell.