That isn't what he said was arbitrary though. The argument was that the pairing is arbitrary. So there's a justifiable reason why this island would have the .io

That isn't what he said was arbitrary though. The argument was that the pairing is arbitrary. So there's a justifiable reason why this island would have the .io TLD, but no justifiable reason why that is also an acronym for Input/Output. There's no particular reason .tv is Tuvalu and also Television. It just worked out that way and some acronyms are more valuable than others.