Worse is that the State of Israel accepts them as a legally fully married couple, with all the extra immigrant rights 1000s of $ of housing, dole, mortgage etc etc that a married couple and family enjoy, without a whimper of protest from the Orthodox. Indeed the couple may be a shtikel Orthodox themselves!
The Talmud says that gentiles lose their right to exist when they contract same-sex marriages. How much more so the State of Israel!
People often say that "gays are such nice people"! That may even be so! The sole reason we are meant to loathe homosexuality as an abomination worthy of execution......is because, as with all the other mitzvos, Hashem has decreed it thus!