IIRC Lighthouse has Asperger's syndrome which perhaps means that any appeal to empathy or a rather more relative morality will fall on stony ground.
For LH it seems that homosexuality can only be an absolute wrong, just like murder, even if there is no victim, because from the doctrine he adheres to and his Asperger's there just is no relative in-between or empathy. Morality is an absolute!
OTOH perhaps, come the revolution, all those with Asperger's Syndrome will simply be rounded up and executed along with gays? ...:idea: