Welfare comes from government. Free medical care, mandated by government. Free education... mandated by government.
Cheap day labor is small potatos.
When the boat is sinking, don't you want the hole plugged BEFORE you start bailing water?
Are you going to dodge the question again?
I'm not dodging the question. The problems you've described are caused by Americans. That's what I've been saying all along. If the problem is caused by Americans, why would you attempt to solve it by dealing with Mexicans who merely take advantage of American largesse?