The issues involved specifically being the benefits received by heterosexual couples that did not previously apply to homosexual couples. Many of the people opposed to Windsor consist mainly of conservative republicans who view same-sex marriages as a threat to traditional marriage.
Windsor: “Because of today’s supreme court ruling, the federal government can no longer against the marriages of gay and lesbian Americans. Children born today will grow up in a world without DOMA, and those same children who happen to be gay will be free to love and get married as Thea and I did but with the same federal benefits, protections, and dignities as everyone