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Copyright Industry Wants To Apply Automated Blocking To The Internet’s Core Routers
(www.techdirt.com)
This is a most excellent place for technology news and articles.
My point is, if you're blocked traversing the routers across the sea you're not reaching those other continents. That's a bit of a simplistic way of looking at it, given satellite internet and stuff but my point is it is not that incredibly hard to block the routes. Especially with BGP. BGP on the internet also has some bodies regulating route ASN reputation, so those could be potentially null routed.
Anyways, I clearly have no clue what I'm talking about so I'll stop there.