What makes this self-destructive behavior preferable to all the others which we shun?
or
What makes this mental illness preferable to all the others which we try to treat?
It gives a reason to go after and attack the church, legally, or possibly even physically. Homosexual rights are a gem for all anti-church groups because they can legitimately claim that the presence or people who don’t think in agreement is a threat, and is oppressive. It’s convenient for everyone opposed to religion, including the atheists, to jump on the same bandwagon