Since government spending is part of the GDP formula they must be talking about the government spending on illegals increasing the GDP. That, and the mandatory spending on healthcare, have been the only growth during Obama’s reign.
You’re probably right! SNAP, EITC, Section 8, OsamaCare, AFDC, OsamaPhones, Medicaid, TANF, and all the rest of the umpty-dozen entitlement programs out there.