Can Gaydar Work On Movies?

A British writer is astonished to discover that directors he just assumed were gay -- because of the movies they made -- didn't always fit his expectations. I wouldn't mention this rather silly article, but it leads to this rather absurd moment:

Alas, my film-maker gaydar was off again. [Director Tim] Burton is a tried-and-true heterosexual, as I would learn when I interviewed him about his 2001 remake of Planet of the Apes. I asked Burton if he'd considered introducing any homosexual ape characters into the movie; the thought had never crossed his mind.