I agree Sue.
Maybe it's just my take on words, but by the very title of their work being focused on "unwanted homosexuality", I assume they mean it is not an active choice homosexuals make. I liken the phrase to "unwanted hair growth".
For me, it ( my sexual orientation) has always been there. It wasn't something that was trendy or experimental or was arrived at from playing with trucks. For me, what gives anyone the right to try to "remove" something that God obviously wanted me to have? ( Not that I am an overly religious person, however, it goes to their argument that homosexuality is against the laws of God).