Just think about how many gays in America will marry gays for other countries, perhaps just to insure citizenship and then dump them and marry another gay from another country - sounds like a huge scam could happen.
I knew a girl that married a Gay guy from South America so he could stay in the country. She got a nice big diamond and an envelope full of cash. She passed out on the Subway a year later with an ailment they couldn’t identify. It was 1986.