I think he's referring to migrants who are already here but refusing to get health insurance including Obama-Care. Which I may tend to agree with because the American Tax Payer are being taxed to contribute to that program then penalized through taxes if they dont have insurance of any kind. Also it makes sure that the immigrants who stay here are seeking out employment since most insurance are apart of company benefits, but the only way to get that is if you're allowed to work in the country thus being a legal immigrant. So it actually does makes sense.