The first and biggest inconvenience for content creators is that they would have to buy a copy of Poser. So you would have to spend $250 from your own pocket and spend time learning Poser, before you start creating any content for Poser... AND you don't know if you'll ever see that money back! You don't know if the Poser content you created is going to sell. So, you wanted to create and sell Poser content but instead you lost $250 -- "No deal, my friend!"

@mescorp - Hope you feel better soon.