Here's a stupid example, but are you honestly saying you'd rather watch a guy fuck his own mother/sister than watch two (unrelated) lesbians going at it?

Another question - Do you think gay sex should be a crime, one that gets you put in prison?

If you answer no, then it follows that homosexuality isn't as bad as incest. (unless you think incest should be legal)

If you answer yes, then I'm curious why you think the government should care / get involved in what people do behind closed doors, even though no one is being harmed?
And I'd also be curious to hear your thoughts on oral and anal sex, which are also "deviant" and "unnatural" behaviors.