SHOCK.
AND.
AMAZEMENT.
But seriously, she did say "I always thought of Dumbledore as being gay"
Key word = 'thought'
So it was just her own interpretation of his character... if it was how she had meant him to be interpreted by her readers she would've included it in the book.
Oooh, posting lol. Well, I kind of have a problem with it. Here's the deal. If she had mentioned it in her book, it would be okay. I'd consider it part of the story and read on. Now, it seems like she just said for the sole purpose of pissing people off. She just said it to add fuel to the fire, and I think fuel to the fire adders (What?) are stupid.