The ones with trouble hare not the unskilled Irish. And the are going to other locations to get approved. Some of my relatives are from Ireland in the 1700s. Sooner see even the dumbest Irish person allowed in than anyone from Mexico. At least the Irish assimulate, they learn English, they don’t dumb down our country.
This would not apply to E-2 and O-1 visas. For an E-2, you have to put up at least $250K in cash, and for an O-1 you need to be a movie star or international athlete.