Good lord, everyone understands the question. Just bloody well answer it rather then saying not all such and such are homophobic and not all such and such believe this and that. The bible and Koran have specific passages that are homophobic and you can harp on and on about how some Christians...
I think people are pretty spot on about the married to god excuse the church gives, but from the point of a non-beleiver who understands the laws where just made up by the church heirachy, it comes down to money and property protection.
Much Like the priests, if the nuns don't get married or...