OK, thanks, I've now watched that bit and.....
@Valjean is right. I was giving this guy too much credit. He is a cdesign proponentsist*
[sic].
So that explains why the Biologos article, written for a more sophisticated audience, tiptoes round the issue of abiogenesis. He doesn't want to run up the Jolly Roger in front of that audience. But here, at a religious conference, it is different, and he wants to pander to the beliefs of his audience.
What he tries to do in the videoed talk is to dismiss what is sometimes called "chemical evolution". But all he can say about it is that it is
- a recent term, not well defined and that
- people have not got very far with it.
Well sure, but that hardly proves it is a wrong idea. All it means is it is a hard problem. It's obvious why that should be, seeing as there is so little physical evidence from 3.5bn years ago.
He also (and this made him go right down in my estimation) attempts a false equivalence by speaking dismissively of a "future science of the gaps", as if this is somehow equivalent to the "God of the Gaps** " - which in fact is what he himself is arguing for, though he attempts to dress it up with fancy biochemistry. But all science is "science of the gaps"! We do science to fill in gaps in our understanding of nature, by constructing theoretical models to fit our the observations. Whereas the God of the Gaps tries to shut down science by saying "God did it, case closed, no need to look for a natural explanation".
What is depressing is that he admits to having discussed the "chemical evolution" issue with James Tour, who apparently was attending the same meeting. Now James Tour I know. He is a synthetic chemist and Messianic Jew who argues abiogenesis can't be natural because, basically, he can't see how it can be done by human synthetic chemistry in a few human lifespans.
Garte also makes more false analogies, by talking about the "code" of DNA and then claiming that codes are symbolic and abstract, and that nature does not make codes. Yet DNA makes RNA by a well understood physical (biochemical) process and RNA makes proteins via another physical (biochemical) process. So there is nothing "abstract" about the code in DNA. It is a mechanical template for generating molecules with a biological function.
So I'm afraid that, at the end of the day, Garte is flaky on this. He has let his religion cloud his science and his position is intellectually incoherent and, I would say, borderline dishonest in a man as intelligent and well-qualified as he is. Not quite as bad as James Tour but going in the same direction.
* A humorous term derived from the Dover School Trial fiasco
** "God of the Gaps" is an expression coined by Prof. Charles Coulson, a mathematician, theoretical chemist and committed Christian (Methodist lay preacher), whose lectures (on maths for chemists) I attended as an undergraduate.