Girl signs a contract with Youthlust, giving them the video rights. She gets paid for the video. Youthlust collects any money they make selling it. The girls aren't getting a cut of the sales.
Girl regrets, wants video removed. They say nope, best we can do is up it to 1000 bucks. "No one will buy it if it's this high". Girl might not like it but has to deal with it (probably in the contract). If they end up selling, they make a big profit.
It's not unheard of girls shooting porn then regretting and wanting their videos removed from websites. I think this is Youthlust's way of finding a "middle ground" with them. It's not in their interest to remove the video altogether, they paid for the rights, they own it.