Issuers do not report these actual credit limits to the credit bureaus because they want to maintain the illusion that their cards provide unlimited spending, even though they make it clear on disclosures that NPSL does not mean unlimited spending.
Though, like any myth, all three contain some truth, none is much help for parents in gauging actual risks to children or in putting the limits of their own responsibilities into any useful perspective.
And although raising borrowing limits might be useful to those customers, arguably it is not as useful for the economy as providing actual loans to companies wishing to expand, or diversify.