To get it struck down by federal court, they
have to prove that it is unlawful under the constitution. To do that, they prove that it is discriminatory and fulfills no valid purpose.
I hope you read the entire statement instead of just skimming the section headings, because I found the closing paragraphs to be particularly relevant:
At the end of the day, whatever the motives of its Proponents, Proposition 8 enacted an utterly irrational regime to govern entitlement to the fundamental right to marry, consisting now of at least four separate and distinct classes of citizens: (1) heterosexuals, including convicted criminals, substance abusers and sex offenders, who are permitted to marry; (2) 18,000 same-sex couples married between June and November of 2008, who are allowed to remain married but may not remarry if they divorce or are widowed; (3) thousands of same-sex couples who were married in certain other states prior to November of 2008, whose marriages are now valid and recognized in California; and, finally (4) all other same-sex couples in California who, like the Plaintiffs, are prohibited from marrying by Proposition 8.
There is no rational justification for this unique pattern of discrimination. Proposition 8, and the irrational pattern of California’s regulation of marriage which it promulgates, advances no legitimate state interest. All it does is label gay and lesbian persons as different, inferior, unequal, and disfavored. And it brands their relationships as not the same, and less-approved than those enjoyed by opposite sex couples. It stigmatizes gays and lesbians, classifies them as outcasts, and causes needless pain, isolation and humiliation.
It is unconstitutional.
My question isn't whether or not marriage is religious. If people choose to give marriage a religious meaning that's their choice. My question is whether or not a pastor, priest, minister, or rabbi who opposes gay marriage will be somehow forced to marry a gay couple. Maybe not directly as a result of this trial, but possibly as a later lawsuit if a gay couple tries to obtain a religious marriage ceremony from an official who is opposed to gay marriage.
No religious official is going to be compelled to perform gay marriages, nor will they be forced to allow them on church property. But heterosexual couples can go to city hall and get married without ever setting foot in a church, and homosexual couples should be entitled to the same.