I've agreed with you on this before.
Your memory is either selective, faulty or you don't care.
By all means crack down on companies exploiting illegals. You, I, RL and everyone have been enjoying cheap consumer goods brought to us by what amounts to world (well a good part of it) slavery and we are the slave owners.
But in no way should immigrants be allowed to come to this country without following the laws that are in place governing their entrance.
They should not expect Americans to pay for free medical care, food assistance and supplemental income.