Read Scalia's dissent for the correct legal analysis.  

God and Catholics support homosexuals who are tempted to engage in acts that have been forbidden by all religions and cultures for most of civilized history.  The  Kingdom of God awaits those who resist temptation and engage in complete unions of the species, male and female.  For those who struggle with resisting, there is confession and prayer to overcome the temptation.  For those who embrace their sin, there is Hell.