Define exclusively not dating
This concerns me more than secular arguments because such an approach attempts to hijack the Bible and change the truth (which, by any sane definition, never changes).
It is the view of people who not only meet the requirements of being a Bible interpreter but who, along with me, care about the eternal souls of people.
The Christian view of marriage does have a pretty good track record for promoting thriving civilizations, after all. Like any father, I wonder what kind of world my children are going to inherit when they're adults. Where the world is headed isn't a huge worry that weighs me down, though, because I know the world belongs to God. In His mercy, he allows sinful people to do whatever they do, even as He gives them opportunity to turn to Him.
As a father, I'm called to help my children know God through an accurate understanding of His Word, the Bible.
We aren't judgmental prudes who are dead-set against anyone enjoying life. As fellow human beings, we ought to uphold and defend each other's right to freedom of speech, including humane disagreement.
All people are created equal, but the same cannot be said for all ideas. Professing Christians who engage in hateful rants do a very poor job of representing Christ and they do not speak for millions of ordinary Christians who unfortunately often get lumped in with the lunatic fringe of Christendom.