I don't have the stats on it but the increase in bandwidth from people using the tunnel to watch YouTube videos is likely a drop in the bucket compared to peopl

I don't have the stats on it but the increase in bandwidth from people using the tunnel to watch YouTube videos is likely a drop in the bucket compared to people leeching Usenet binaries all day off the free IPv6 Usenet servers. I understand your concern but I think you are underestimating how much usage the IPv6 tunnels get right now.