The diversion used by Japanese politians to try to get people to think of something other then their troubled economy.

And a great way for South Korea to unite into an irrationally anger filled mob under power hungry lunatics that spread no end of lies that do nothing but harm the country.

It'd be great if we can just blow it up.

Or hell, just give it to Japan. Then they won't have anything to whine about (since Jeju-do is without doubt either Korean or autonomous) and Korea's extremists will spontaneously explode.