In a way, the economics have almost become secondary. But still, let’s be clear: what we’ve learned these past couple of weeks is that being a member of the eurozone means that the creditors can destroy your economy if you step out of line. This has no bearing at all on the underlying economics of austerity. It’s as true as ever that imposing harsh austerity without debt relief is a doomed policy no matter how willing the country is to accept suffering. And this in turn means that even a complete Greek capitulation would be a dead end.