An insouciant former colleague said to me, "Yay, now everyone can experience divorce." He's a bit of a cynic.
Here's something from the financial side of things: Congratulations to Gay Americans Who Are Now Eligible for the Tax Code’s Marriage Penalty
If you're wondering about my take on this, I still don't understand why governments marry people, save for the obvious revenue-generating fees associated with what's mentioned above plus those necessary for the marriage license.