Earlier quoted context omitted.
US Federal Reserve studies indicate that the percentage of US households with no excess income after necessary expenses (as distinct from "ordinary expenses" as a term of art) is on the order of 10-15%. This definition roughly matches most people's intuition of what "living paycheck-to-paycheck" means. That isn't nothing but it implies 85-90% of Americans are not actually living paycheck-to-paycheck. There is another…
So is your argument that there's no "affordability crisis" in the US?
Costs of living (read: gas and eggs) are high, many would argue "unaffordable" even though most will still pay up. This means that: No, there is no "affordability crisis" in the literal sense. But there is an "unhappiness crisis", as in people aren't happy about how much money they have to spend. That crisis, the "unhappiness crisis" fueled Trump's upset landslide victory this election.
The Affordability Camel's back isn't broken, yet, but the camel is declaring quite angrily that the point is very close.