Frankly, no two heterosexual marriage is wpequal either.
Gay marriages fall in the “buddy buddy” marriage category, not real marriage with real love for children, marriage protecting the child. Buddy Buddy marriages are inferior and are fashion, looks, race and sex oriented, totally materialistics of car hobbies and what not.
Then you have the islamic 15 minute marriage in lieu of Prostitution... and it goes like that in the slippery slope of fraudulent representation of marriage as defined precisely in Judeo Christianity, the duties or contracts taken with grace and love within there of.
As Alitto said, why not 4 lawyers... I mean, why dilute the definition of words? Soon they will say the word marriage is racist because blacks do not marry, and the whole word will go down the Orwellian memory hole, along with families and depressed robot autistic children of institutions.
Some might call what you say, “hyperbole”.
Some might call it “reductio ad abursdum”.
I call it “slippery slope”...