I think you are right but the Leftists will not be satisfied with this. They will press their attack on Christianity hoping to extinguish it from the face of the earth. We know they can’t win but many will suffer great persecution until then.
Kennedy talks to much. I would have greater respect if he wrote, "what business is it of the government to tell an individual who can get married". His expansion of children protection lack sociological studies and opens up more litigation as studies become available.
In the end, states are going to have to move to marriage contracts and away from licenses. They can define that a Marriage contract is between to Adult people only. Officiating weddings is over and marriage is a church is voluntary and completely protected by the first amendment.
States should move to Louisana's Covenant Marriage. Link