as per usual I am pretty sure they are aware of this, but are also aware that:
1. cutting this off would decimate the subscriber count of deezer
2. most people downloading stuff off deezer with a paid account instead of just ripping from YouTube is doing so to get FLACs - which they don't have a competing marketplace for
3. point 2 is a great source for statistics on if it's viable to launch said marketplace or not