That demagogic rhetoric comes up commonly and it makes the same fundamental mistake or perhaps not wanting to understand that serving your creditors serves you as long as you need credit. The consequence for defaulting is not getting any more loans. Setting up an unsustainable system is setting up for a nasty fall.
Reminds me of some claiming that Greece being able to print the drachma would give them an easy out to their crisis. Even if they did it just plain wouldn't work last I heard Greece was still very dependent on imports for things like pharmaceuticals. Hyper-inflating their own currency relative to growth would not be a solution - it does nothing for the cost of imports which they depend upon and is worse than disease it is meant to cure. Less extreme inflation relative to economic growth could boost relative competitiveness of labor costs is their own slight advantage but even that would call for a decline in standard of living as a corollary.
Which brings to mind a thing about loans in general and fiscal wisdom - one should take out a loan only if it is an investment in some way - either generating more money or reducing long-term expenses in some way. It may in fact go bust but it has actual potential to pay for itself. The same seems like it would apply to countries and investments can also include some humanitarian purposes - a healthy and well educated workforce can generate more and is a case of everyone wins.