Whatever is reinforced you get more of ...
If you want something to grow—subsidize it —if you want it to diminish—tax it. Tax all illegals $1,000 a year—if they can’t pay—seize them and have them work it off. We could sell their labor to companies until they pay off the tax. Really want to stop it? I don’t think anyone really does—fine anyone who hires them and toss them in jail. We should Tax poor people—this would end poverty in America. Tax unwed mothers—see how many will get married really quick.
Want to end murder? Tax it! Murderers could have to pay for the crime and work it off by working in the uranium mines for periods of 20 years.