Homosexuality is a disordered desire. Period.
There are all manner of strata within the homosexual "lifestyle" that vary in their destruction of the person, the relative scale of perversion of the practices or the objectification of his sexual targets.
The penis is not ordered to the anus. Homosexual penetration may well fulfill a person's physical desire for penetration by and/or domination of a same-sex gratification but it has absolutely nothing to do with human sexuality which has as its defining characteristics the procreative and unitive -- male and female -- aspects.
Rights are defined by God, wrongs are defined both by God and the natural law He instituted and upon which inalienable rights are founded. Natural law can afflict "the disobedient" with severe penalties for it's breach. For instance, observe the consequences of failing to recognize gravity (a natural law of physics) or the inevitabilities associated with one's failure to behave honestly ( natural laws of morality) or AIDS (failure to recognize the natural law that "part A" fits into "Part B," and not into "Part C"