If you have credit cards with high credit limits, and you haven't run up any debt on them, your score will increase. (money.stackexchange.com)
On the other, card issuers don't make any money if consumers don't run up some debt. (creditcards.com)
Similarly, the treasury department is thought of as possessing near unlimited power to run up debts in support of «stimulus spending» and endless bail - outs. (acting-man.com)