Gay "marriage" has failed in other nations

[mburbank]

In the rest of that article do they do anything whatsoever to establish any kind fo causal link between unmarried parentage and gay marriage?

Because the portion you posted could, without any detrement to the argument they made have posited rising receding Antartic ice pack as the reason for the decline. You can't simply graph to stats side by side and establish causality. No peer review on the planet would call that research let alone significant data.

We don't have gay marriage here. Divorce rates and children born to singke parents has been steadily rising for quite some time. Can I conclude our rising rates of divorce and single parent households are due to a lack of gay marriage?

And unless you asupport making divorce illegal, I'm not sure I see what merrit this argument would have if it were even tenous as opposed to spurious.