One of the casualties of the Civil Rights Movement, although not enumerated in the Constitution by name, was freedom of association. One of those probably covered by the 9th and 10th Amendments, and ignored by our legal establishment.
“Frankly, I don’t care who marries who,”
The choice is between anarchy and civilization. Marriage= one man, one woman= civilization. The other options are simply barbarism by another name. Our courts chose barbarism.