No you didn’t. You failed to provide a single quotation from even a single “liberal scholar” denying the existence of the Hittites, or denying that they existed when the Bible said they did. Not a single one.
Why? There’s no evidence for it, and considerable evidence against it.
But we do have evidence. We have physical evidence for leprosy in other places, but not in the Middle East at this time. The physical evidence for leprosy is very obvious, and it lasts for thousands of years. We have evidence for how and where leprosy emerged in different locations, and when, where, and how it spread. There is abundant evidence for this.
How do you know the Bible mentions it here? What is the evidence that the Hebrew word here is referring to leprosy?
That is complete gibberish. I believe that the Bible is true. I am a Christian. What you are saying makes absolutely no sense whatsoever. I am not criticizing the Bible, I am examining your claims about the Bible. I trust the Bible, but I do not trust what you say about the Bible, because what you say about the Bible is verifiable wrong.