Assuming you mean "undefined" as "unprovable", this still seems like an extreme stance to me. I also think, even if we had this the next goal-post would be "provenance of the video".
As a cost-to-entry for a casual player, this seems like a pretty hard sell. I'd rather just find something else to play personally, than deal with a webcam and some invasive recording situation to play.
for pvp competitive games where cheating is possible, you and your computer must be more public while the game is active. how else could cheating be observed?
many people already run a distinct gaming pc, either for kernel anti-cheat or other reasons.
i would prefer not to be surveilled on my iphone.
i would prefer to be surveilled while playing fortnite or tf2. along with all the other players.
video and gameplay needs to leave the player’s computer simultaneously, and that player needs to provide reasonable video for all gameplay.
requiring lower mouse sensitivity and greater mouse room would improve the data quality.
with luck, it will always be cheaper to detect gen-ai video then to create it. otherwise, more evidence? higher res/fps webcams?
the cheaters have run the field long enough. time for the arms race to push back!