Earlier quoted context omitted.
Why do I care whether it's a "debt transaction" or a "value transaction?"
If you get that transaction you probably prefer the value rather than the debt. Value is free to move, debt is an agreement between 2 parties. If you get paid with debt it means you get nothing but someone owes you something now. This someone is usually your bank. You can cash out that debt at any time and that gives the feeling that there is value stored at the bank. But that's not really the case everyone knows tha…
You're proposing a scenario in which all banks collapse and FDIC insurance fails, but also one in which my computer continues to be a productive member of the bitcoin network and my neighbor will sell me access to his bunker for 3 bitcoins. And my ISP won't be upset that I can't pay them in USD.
If I was worried about the collapse, I think I'd want to store my money in something with real value, not imaginary internet coins that none of my neighbors have ever heard of. Maybe gold, to be cliche. Canned food?