Yes, they do. But the fundamental laws of the universe do not. I believe the moral law is a fundamental law of the universe. And when societies change to veer away from the moral law, they die.
They are changing. You can choose to be anachronistic if that suits your personality. You can deny the changing world around you and fight it if you choose, but that only leaves you standing still while the world moves on without you, making you more and more irrelevant.
Humanity has not really changed in 6,000 years, and it is not changing now. There is nothing new under the sun. You are confusing "being anachronistic" with "sticking with what works." I recognize our society is changing - I just don't recognize it changing for the better. It is changing for the worse, and I will fight against that as much as I can. I may not win, but that's not the important part.
Homoerotic behavior is wrong. It always has been and always will be. The tyrrany of the majority has no power to change that. It does have the power to destroy itself trying.
Shalom.
I believe in certain moral absolutes also, that murder is wrong, for instance. But beyond a few basics concerning life and liberty, most of what people call moral law is really just religious imperialism. Being that I don't want Muslims imposing Sharia law on me, I tend to give pretty wide lattitude to matters of morality beyond the fundamentals.
Moral guidance is for the home and church, not the legislature.