Marriage discrimination struck down in Arkansas.

[Silver]

It doesn't matter that they can co-exist.

Only to you, because you are of the notion that anything which disagrees with your skewed worldview must be abhorrent. The only abhorrence is your inability to see past your god-covered bigotry.

The judge decided there is no rational basis to ban gay marriage. I'm afraid he is just plain wrong

It is a good thing you are not a judge, then. Not that you would last long with your views, anyway.

because a good case can be made that heterosexual unions provide more value to a society/population.

False assertion with no evidence to support it.