Why do you say unfixable? I agree it looks that way at present (by sheer force of habit probably), but if Varoufakis can emerge out of Greece then who knows what else can happen?
So much depends on public opinion piercing the veil of economy-speak and Greece may just be the icebreaker in that regard.
Maybe people are not the dumb sheep they've been when times were (relatively) good.
Hard to stay sleeping as social pain mounts...

'The history of public debt is full of irony. It rarely follows our ideas of order and justice.' Thomas Piketty