Interesting story but is this the biggest case of robbing Peter to pay Paul?
Your best hope is that by the time your bond matures someone else will "invest" to cover you but what happens if they finally reach a point where they can't borrow enough to pay their existing obligations?
It's more like procrastination... why pay today what could be put off to tomorrow?
Regarding your second point, the situation isn't hopeless. The graph with the article shows that it is possible to reduce the national debt, both in real terms and as a percentage of GDP.
Your best hope is that by the time your bond matures someone else will "invest" to cover you but what happens if they finally reach a point where they can't borrow enough to pay their existing obligations?