She didn't embrace gay people, she used them as a prop for profit, to generate buzz, to get people taking about her and her books again. She did the exact same thing with black people when she tried to claim Hermione has been black the whole time, after a black actor played her in the Cursed Child play.

JK Rowling has always been a terrible person, and it shows in her writing and her actions if you look a bit more than surface-deep.