A ProPublica investigation says the Trump administration is advancing a rule change to Supplemental Security Income that could cut off or reduce benefits for an estimated 400,000 disabled adults. The proposal would especially target people with disabilities who live with parents or other relatives receiving SNAP, a move that would punish households for pooling resources in order to survive.

This is not a minor bureaucratic adjustment. SSI is one of the few safety nets available to adults with limited income and serious disabilities, including people with Down syndrome and dementia. If the administration moves forward, the practical effect would be to make family care more financially precarious and to increase the risk that some of the country’s most vulnerable people lose support simply because they are not living alone.

The logic behind the rule is harsh even by Washington standards: if a disabled person shares a home with family members who receive food aid, their benefits may be recalculated in a way that assumes more support is available than actually is. In the real world, families often share housing because they have no other option. The policy would turn that necessity into a liability.

Supporters of benefit tightening routinely argue that the government must reduce fraud and preserve program integrity. But when eligibility rules are written so aggressively that they sweep in people with genuine needs, the result is not efficiency — it is attrition. The burden falls on caregivers, disabled adults, and local social-service systems that are already stretched thin.

The administration has made fiscal discipline part of its identity, but this proposal would amount to austerity aimed downward. At a moment when the country is already debating affordability, it is telling that one of the most consequential budget fights is over whether disabled Americans can keep enough income to remain stable at home.