In some cis-gay environments the feminine is used as default as well, but not because of their feminism, but in some cases rather because of CisHomonormativity, or certainly misogyny, which is also quite disrespectful.
2014, Wibke Straube, Trans Cinema and Its Exit Scapes: A Transfeminist Reading of Utiopian Sensibility and Gender Dissidence in Contemporary Film, Linköping University (2014), →ISBN, page 127:
Unfortunately, the film also falls into the trap of connecting a non-passing body with unavoidable consequences of violence in a scene in which Lukas has to escape a rape attempt by one of his cis-gay colleagues.
(page 24:) In an increasingly aestheticized cisgay community, age is a horror and the aged are abject.
(page 25:) When all the media offers is cis-gay white men picket-fenced and happily partnered, and when the media is the primary force for the construction of one's queer identity, swathes of queers are unrepresented, […]
Noun: "(LGBT, informal, neologism) a cisgender gay man"Edit