It's the court precedence by which SCOTUS invalidated sodomy laws on federal level, therefore legalising homosexuality in entire country. In 2003 no less, so US despite all of the posturing was still deeply in the tail behind most western countries.
In addition to the fact that Trump is running on anti-trans ("And you don't want trump to win!"), some dems like to accuse hamas of being homo/trans-phobic and use that as a justification for supporting Israel, who they falsely believe to be pro-lgbt