> What matters, and what lenders look at, is debt serviceability. Quite true. But it also implies something else: Because the disparity of income levels in th

> What matters, and what lenders look at, is debt serviceability. Quite true. But it also implies something else: Because the disparity of income levels in the US is so broad, just talking about the problem in terms of national totals and averages is useless. Show me the problem divided up by quantiles of the population, maybe even log-scaled as you get closer to the top, and then I might believe that there's a problem.