"He" is a mass employer of maids, busboys, cooks, groundskeepers, and construction laborers, in Las Vegas, Atlantic City, Istanbul, and Dubai, where he is known to pay a pittance. "He" is not going to commit economic suicide.
Got it now?
He already took a huge hit on his middle eastern economic interests with his comments on muslims. Do you have any idea how serious it is when the crown prince of saudi arabia is attacking you?
Also, when you’re competing on business, you have to compete on a competitive basis in order to be profitable (however there’s no proof trump used illegals nonetheless). That’s why the news media has articles calling him ‘a traitor to his class’.