You may find this hard to believe, but I agree with you...in part. Unfortunately, sexual immorality is all too natural. It is a part of our sin nature that all of us are born with. And in a limited sense, I also see the possibility that one person is bent more toward expressing sexual desire with the same sex as another. I don't think that position is antithetical to the Scriptural position on sin. We all do not have the same struggles. We are all fallen creatures and our sexuality has to be redeemed the same as any other area of our life. The problems come in when we don't want to acknowledge that a particular behavior is sinful when it is clearly called so by the One who decides what's sin and what isn't. And that ain't the pope and it ain't me, its God Almighty, the King of kings and Lord of lords. The Creator gets to decide what is natural and unnatural, not the creatures.
On the other hand, more than half of heterosexual marriages end in divorce, frequently with one (or both) "straight" souse(s) pursuing another partner and with much trauma to perhaps millions of children.
Right. Which is why adultery, whether homo or hetero sexual is wrong. So can we call that a moral absolute now?