Business is hiding its true cost by hiring illegal aliens. In economics, this is referred to as an externality. It's false economy because taxpayers end up carrying the hidden burden through various taxes and cost increases that are at least one step removed from the original transaction. And it is a HUGE cost.
Greedy, dishonest cost-shifting employers who have been getting wealthy off these hidden, illegal subsidies while they encourage the flouting of our laws need to be rounded up, arrested, and sent to jail.
Not all of us are stupid the dishonest employers and illegal-alien supporting politicians think we are.
Consumers will demand that most of the present illegals be readmitted. That will be the proof that consumers are the engine behind the excessive immgration. Meanwhile socialist theories of "greedy business" are just amusing to me- and useless to those who use them.
Yes, some costs of illegal immigration are not paid directly that's why government needs to not just control but enforce the level of legal immigration. The marketplace can't do the job without real penalties.