The title of the book: How Science Can Determine Human Values is literally in contradiction with Hume's Guillotine which any philosophy 101 should be aware of.
>Do you have anything more substantial to say than ad hominem?
Nope, because the title of the book says it all
Do you have anything more substantial to say than ad hominem? Like a response to the video I linked instead of grinding your unrelated axe against the guy?