Earlier quoted context omitted.
My point is not that economic surpluses don't ever exist, but that the perceived surpluses that people invoke in order to defend the present welfare state are unsustainable, and that the system will inevitably collapse without a miraculous increase in economic productivity. Debt (both private and sovereign) is literally the thing that tells us whether a society is able to pay for the things it demands. That's not an…
You appear to only be looking at the debt, and not that those debts are held by other people as assets. Do you think it's still a net negative if you add that in too?
The essential purpose of a market for IOUs is to allow us to issue a lot more IOUs. This is critical to the industrial and technological development that has allowed us to stop living in the dirt. But liquid debt markets can also be weapons of mass destruction by allowing misallocation to compound into ruinous financial crises. Sort of like, oh I don't know, bloated, inefficient government entitlement programs funded by massive debt that can only be dealt with by a.) confiscating the labor and assets of the population by force, or b.) monetizing the debt and inflating it away, which is itself a backdoor tax on the same population.