Which sounds exactly like "social engineering"...a dyed in the wool Marxist concept.
Turning "marriage" (Holy Matrimony) into a civil rights classification also flies in the face of yet another BIG RAT LIE:
"The Separation of Church and State"
We already have laws that govern who can get married, e.g., against incest, age restrictions, polygamy. etc. So if marriage becomes something that anyone can define, why should these other current restrictions remain? This is a slippery slope and it goes against basic human nature and biology.