Yes many do, because they can make a profit from it and they know the politicians won't allow the laws to be enforced. And businesses do not represent the people.
The people don't want the illegals here, but the people are to stupid to see that by electing the same idiots over and over will not fix the problem.
The tolerance is ending. In time, the people will figure it out and the two parties will be in trouble. Until the people figure it out, the problem will persist, but that is not an indicator that the people want illegal immigration.