Debt is not fundamentally bad. But the financing has to be justified by positive return, be it in the service itself that makes money back to pay off the debt, or as a public good, returns in the form societal benefit as a result of the service.
When you have massive buildups with no hope of returns, it's a a bad financial decision and the public carries the debt burden.
When you have massive buildups with no hope of returns, it's a a bad financial decision and the public carries the debt burden.