Sloppy Arguments about Mutation Rates
I say interesting, because it's at least a little bit unusual in its approach. It's not just the same old regurgitation of the same talking points. It's still not a great argument, but it's at least not as boring as staring at the same stupid arguments over and over again. Alas, it's not entirely new, either. It's an argument that the mutation rates required for humans to have evolved from a primate ancestor would have to be impossibly high.
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Looked at from a mathematical viewpoint, it doesn't make sense either. In the context of the argument that he's going to move on to make, DNA is mathematically an information carrier - and talking about its "rigidity" in that context is meaningless.