Who's the ISP gonna throttle? It's next to impossible to tell the difference between a legitimate request and a zombie. Also not all zombies are knowing contrib

Who's the ISP gonna throttle? It's next to impossible to tell the difference between a legitimate request and a zombie. Also not all zombies are knowing contributing to a ddos. Are you gonna kick grandpa off the net cause he doesn't think before he clicks? Make no mistake this is a very technically hard problem to solve. DDoS attacks aren't going anywhere anytime soon.