YES.
While a certain percentage of various types of mammals might be demonstrably homosexual, I doubt that anyone can argue that homosexuality is in any way a positive trait when viewed evolutionarily.
Homosexuality is as "beneficial" as being born without a limb.
I say this as someone who knows that a number of the members of this discussion group are homosexual, and as a person who knows that various "celebrities" whose work I enjoy are homosexual, and as a person who has had friends and co-workers who were homosexual.
I am no more hostile toward homosexuals than I am toward any other disabled person, but I also refuse to CELEBRATE homosexuality as some "fabulously" admirable trait. If a male is born with microphallus, do we put him on a dais and throw flowers at him? Some might, but I don't. I refuse to be POLITICALLY CORRECT by pretending that disabilities are assets.
When I meet people I try to judge them on the basis of their actions rather than by what is going on beneath their underpants, but when such persons violate my boundaries by thrusting their underpants in my face, I take offense.
Your mileage may vary.