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We better stop joking about Pakistan before they decide to ban Subsim.
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Truer than you may think. This is a serious matter.
Once the root name servers become tainted, it can take a long time for the corrections to propagate out to individual downstream routers. The 13 root name servers on the 'net are authoritative for name to IP address translation. Depending on the TTL (time to live) values set up on a router, the tainted information can linger for hours or days. This causes "non-connect" events to happen because a person's computer is normally set to query the ISP nameservers in the network they connect to...
Want to wreak havoc on the Internet? Just hijack a bunch of IPs and flood the name servers. It won't "kill" the 'net, but the ensuing confusion will "not be pretty".
Personally, I think YouTube should take the Pakistan action, accident or not, into the World Court and set precedent for damages, liabilities and actions in the event it happens again.