Their immigration status is not of essence. After all ...
If the subject is:'what are the morals of being a non-alien in America today'; this would imply a high relevance to the consideration of whether they are on net public subsidy or not.
The government wants to spoend my money on bums. I am under no illusion that they are skinning me for anything less than they can get away with.If they then spend the money on bums, the thing I am least concerned about is the race or nationality of the bum.
As for obejying laws, I agree with the poster who said that one cannot take laws as a bundle. Obeying laws does not imply sanction. Obeying them when its is easy not to and not to get caught...that comes very close to sanction. It may be fear.