...In most places, it isn't up to us to demonstrate that there will be harm. The burden of convincing falls on the people asking for change. The federal government and all but a handful of states recognize marriage as uniting the sexes, so in those cases, it is those who want to neuter marriage who must demonstrate why doing so would be of overall net benefit to society. While a marriage license may solve practical challenges for a brideless or groomless couple, those issues can be addressed without neutering state marriage licensing.
The universal understanding of marriage has been that it unites a bride and a groom. Only recently, in a few places, has there been deviation from this concept.
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