I can imagine that there would be A LOT less copyright trolling on platforms such as YouTube and Twitch if the DMCA required claimants to reimburse ad revenue **WITH INTEREST** to successful appellants of false DMCA claims.
The way the system works right now, there is literally no downside to being a copyright troll, because you get to keep all of the ad revenue that your DMCA claim functionally confiscates from your victims, unless they can afford to lawyer up and sue you for it all back.