Weird that you would say that when the current head of the NAACP in public speeches has stated that the battle for gay rights is a civil rights issue exactly the same as black people faced. No doubt some don't like it, but that doesn't change the fact that this is a civil rights issue.
As I have noted a few times, that argument was first put forward by the KKK to argue against inter-racial marriage. The said that there was no discrimination because a black man could marry a black woman and a white man could marry a white woman. It was wrong then, and it's wrong now.
I know you want to believe that, it would so comforting to do so, but it just ain't the case. You have chosen an arbitrary quality found in all human cultures all down through history and set that up as the litmus test: this love is sacred and this love is profane, so you have the right to persecute those whom you feel to be "less than" you are. Your argument is as old as the hills and has been used to discriminate against various groups forever. The fact that the individual rights denied to the groups often varies makes no difference, it's the fact that an arbitrary standard has been set up to deny a group equality. You can marry the person you love and set up a legally protected family with them, this is denied to homosexual people and it is done so for religious reasons.
I am often chagrined at the endless repetition of old arguments slightly refurbished to apply to the new enemy. Black people were told exactly the same thing: work within the law legally and respectfully. The problem they and we face is that we are minorities in a country that is ignoring its own Constitution and is voting away the inalienable rights that the founding fathers tried to guarantee to all.
How many gay and transgendered people have been murdered, raped, beaten, lost their jobs, etc.? For centuries people have been using religious cant and bigoted arguments to push an agenda of hate against us. Sh1t, they burned Joan of Arc at the stake for being transgendered. When one looks at the history of black people in this country it's no wonder that groups like the Black Panthers were formed, the wonder is that MORE of those groups weren't formed after nearly two centuries of abuse. Gay people have been abused for centuries--is it any wonder that some of them strike back? The amazing thing to me is that more don't do it. Most gay people are very peaceful and the general population has banked on that being the case and used their very peacefulness against them.
In the end I think we will win, but it may take decades to achieve and many more of us will be beaten and murdered before people wake up to what they are doing. It's a very simple equation: if it was you on the receiving end of this kind of behavior would you feel that it was okay? If you were the minority and you could only marry a person of the same sex, would you feel discriminated against? Bet your bippy you would.