A copy pasta from my answer to a similar post :
"TL: DR it depends
I think it really depends on your own personal situation. For some gays they simply also enjoy feminized males, for others they might simply consider themselves straight and regard them simply as females with additional appendages and special characteristics.
But i think there need to be a distinction to getting off to trans porn and actually performing the act, as there is a possibility of some aspect of porn addiction that might induce people to seek progressively more niche and fetish pornography to satisfy them. This area is still understudied but most likely due to higher and higher dopamine level requirements. For some it might be more violent porn or more "rapey" porn or bdsm while other it might be trans porn which can be introduce directly or from "soft core version of it" such as futanari.
Even then after the post-nut clarity you might regret it thus even then, the distinction isn't that clear."