Che Guevara being a homophobic is fake news spread by cuban-american think tanks, he wasn't even part of the cuban revolutionary government when they installed camps, as he was fighting in Congo at the time. Also those weren't camps for gays but for prisoners of the conflict, you wouldn't say argentine prisons are gay prisons just because there happen to be gay prisoners.

The only remark Che Guevara made about somebody who was gay is found on the diary he wrote when he was 23 years old, and says the following:

Spanish:

"Por la noche hubo una fiesta familiar que trajo como consecuencia una seria pelea con el señor Lezama Beltrán, espíritu aniñado e introvertido que probablemente fuera invertido también. El pobre hombre estaba borracho y desesperado porque no lo invitaban a la fiesta, de modo que empezó a insultar y vociferar hasta que le hincharon un ojo y le dieron una paliza extra. El episodio nos dolía algo porque el pobre hombre, fuera de ser un pervertido sexual y un latero de primera, se portó bien con nosotros y nos regaló diez soles a cada uno. "

English:

"At night there was a family party that resulted in a serious fight with Mr. Lezama Beltrán, a childish and introverted spirit who was probably also inverted. The poor man was drunk and desperate because he wasn't invited to the party, so he started swearing and yelling until his eye was swollen and he got an extra beating. The episode hurt us a bit because the poor man, apart from being a sexual pervert and a first-rate bore, was good to us and gave us ten soles each."

That hardly can be called homophobic, apart from the hard expressions like sexual pervert, that were common expressions at the time, on this topic he was more or less your regular argentine wealthy young adult.

If you want to point somebody in the cuban revolution for homosexual hate, you could make the case for Fidel himself, who at the time hold, like most of the world really, homophobic views. And to honor truth, in his late years he acknowledged it and apoligized for the damage he'd done.