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Please submit the destination link, not one generated by a URL shortener. (There's a reason HN shows the domain next to the link title.)

It was done to get around the dupe filter: http://news.ycombinator.com/item?id=580816

Why not just upvote the original, am I missing something here?

It was done so that nick007 could use / once again plug his url shortner - see http://news.ycombinator.com/item?id=580764