I believe that homosexuals have simply learned that in their worldview willing males are one acceptable outlet for sexual release.
I think you are describing instead the worldview (or lack of one) of a bisexual man, who will screw just about anything in sight.
Most homosexual men are traduced and seduced young, by older homosexual men (the 25% or so who voraciously and viciously pursue teens and preteens), and about 1/3 are the "essential" gays some people are commenting about, who are lacking in masculinity possibly because of influences in utero (youngest sons of older women, that kind of thing).
Gay women are almost all head cases, as best I can make out; many psychologists believe it, too, despite 40 years of unremitting propaganda put out by the gay orgs embedded in the big APA's. [Of which there are three: Psychology, psychiatry, and psychotherapy.]