At some point, it will become too expensive for many people to continue working.
Some are already there, even if few realize it. I see people around me who are worse off than they were last year, and this has been the case for them for several years in a row.
Under water w/r/t debt — auto loans, medical, school
Can't stay on top of maintenance for transportation and housing.
Losing the catastrophic health insurance plan they could already barely afford.