One benefit to those meters is that they are certified by a weights and measures regulatory body. Will Comcast's meter have the same certification? Doubtful. So how can I trust what the ISPs and the hardware itself is actually counting? I can't.
What about TCPIP headers? Who is responsible for packet fragmentation generating more ACKs, you or Comcast? Who will be paying for the constant 40kbitps of ARP storm?
