The old people won't have money to spend.
"We find that about half of the population aged 65 or older live in households that receive at least 50 percent of their family income from Social Security benefits and about 25 percent of aged households rely on Social Security benefits for at least 90 percent of their family income."
https://www.ssa.gov › docs › ssb
I guess we can kick old people out of nursing homes and make them work in the fields after we kick all the alien murderers out of the country.