The business model for prediction markets hasn't yet fully taken shape, as they function as both media and player-versus-player (PvP) markets. On Poly, you can see numerous markets with little trading volume but high eyeballs, which are essentially advertising. The value of these markets can't be measured using purely transactional metrics.
The commercial value of the long tail of culture is directly proportional to the amount of dopamine humans forage for in the age of LLM and interest graph-based social media.