Bringing in low skilled workers with a route to settlement to hold down the cost of government services is a form of disguised debt. Use OBR figures for low wage migrants, and the implication is that the Boriswave care workers will cost ~£111bn. Their dependents will cost another £64bn. Now consider how the bond markets would have reacted if Boris stood up and said he intended to borrow £175 billion over three years to prop up social care.