I guarantee you over half of the chanting crowd has had their dick in an ass or mouth of the male gender. Brazil is a very sexually ambiguous place but most guys don't consider themselves gay if they're the top or their male partner is feminine. That's why there's so much tranny porn from Brazil. It's the complete opposite of the U.S. where being feminine works against you. There, it works for you. Brazilian men are less threatened having sex with a feminine man. A horny yet homophobic culture. Perhaps that's why the thought of a gay male athlete sends them into a frenzy and causes their heads to explode.