It’s a noble cause, but a flawed strategy. Victory is unlikely, but even if achieved it will be quickly squelched by legislation redefining personhood as belonging only to human beings.
That’s one of the problems universal marriage proponents have had: some courts have said gay couples have a right to marry, but many legislatures, including most notably the U.S. Congress via the Defense of Marriage Act, have simply legislated a definition of marriage that explicitly excludes those deemed unworthy of the right.
Luckily, DOMA was ruled unconstitutional this year (I’m ashamed to say I apparently failed to blog about the June 2013 decision…). But it was the culmination of a long battle for the plaintiff and an even longer one for opponents of the ludicrous insult to the constitution that was DOMA.
In short, it’ll be a long time before the law purports to give a damn about how depressed a chimp in a trailer park feels. And that’s a damn shame.