"Commonly,it's a threat against their family back in their home country and it's used to put that person in a position where they feel compelled to provide labor or service in the United States."
VOA: standard.2010.05.24
That suggests he has succeeded in neutralizing any threat to his position.
Often, when you show up with the appropriate degree, along with years of experience in leadership, a solid work ethic and expertise in the field, many of those interviewing you will view you as a threat to their position, rather than an asset to the company.