Do you really think that illegal immigrants only come from latin america? No. Most come from there, but not all, far from it.
There's a lot of talk about "bad hombres". That says it all, he is going after a very specific demographic. Has his deportation force raided any non-hispanics yet? Do you really think no funny business ever happens at chinatowns and koreatowns across the country?
That Indiana judge was born and raised here, yet he is "a mexican". But some Russian dude fresh off the boat would probably get draped with an American flag towel by the alt righters driving the current policies.
So yeah, your question doesn't apply to the real world.
That "specific demographic" has a large history of being by far the most common one to enter the US illegally due to the country being bordered right under the U.S. He's right to call them out. ---