They already do. It’s called SNAP, TANF, WICs, Section 8, EITC and all the other 85+ entitlement programs not connected with SS.
Problem is these people get their basics: cheese doodles, chips, Doritos, and such with it, but pawn off the rest for Newports, Forties and Lottos and cash with the rest.
Guess what, many of them are living in places with no cooking facilities.