Well apparently it's fake, which is a shame, because I would've liked to see how this movie would've done.
Of course there will three different sides, one who says "Great job Disney!", another who will say "WTF Disney? Why are they gay? That's so gross.", and then another who will say "Great movie, but I don't know if my children should be exposed to this."
I think it would be a good way to inform children about same-sex marriage without actually telling them about same-sex marriage. Hopefully this will be implemented one day.