No by fragmented DNS he means DNS servers in Europe would route you perfectly fine to Megavideo.com but US servers wouldn't. So all you'd have to do is change your DNS address to a European one and bingo.
It's one thing to pass PATRIOT or SOPA, but try passing legislation to create a multi-billion dollar firewall to effectively block other DNS servers and block offending IP addresses.
But there's already a DNS "root", so in order to have a split DNS, you'd need to "roots", and two completely separate trees of .com, .org. .us, and .co.uk and everything. There wouldn't be any overlap. You might be able to hack something into some of the DNS zones now to give different answers based on geography, but when DNSSEC or DNS Curve are rolled out, it will break completely.
That is the best case scenario.